- Rachel Wilson - Dr. Nikki Renholds
- Michelle Nolden - Allison Jenkins
- Michelle Nolden - Judge Allison Jenkins
- Jason Gray-Stanford - Blake Brogan
- Sophie Simmons - Amelia
- Jason O'Mara - Seth Rankin
- Kristen Gutoskie - Kyla MacRury
- Shannon Tweed - Frances Lemont
- Mishka Thébaud - Vinnie Walsh
- Max Morrow - Keith
- Patrick Garrow - Ian / Big Guy
- Jonny Harris - Brett Babcock
- Mayko Nguyen - Dr. Annie Price
- Julian Richings - Lionel Harris
- Athena Karkanis - Heather Smith
- Noam Jenkins - Joseph Patterson
- Rob Stewart - Victor Beerman / Turk
- Hannah Anderson - Margot
- Greg Bryk - Tom Rockwell
- Jeananne Goossen - Grace Ebner
- Sarah Power - Crystal Maher
- Kevin Hanchard - Luke Shaw
- Kevin Hanchard - Luke Shaw (uncredited)
- Lara Jean Chorostecki - Emma
- Tony Nappo - Frank
- Brittany Allen - Amy Cohen
- Stuart Hughes - Simon Walters
- Shauna MacDonald - Charlotte
- Billy MacLellan - Vince Bragg
- Lisa Berry - Karla Green
- Sarain Boylan - Yana
- Alan Doyle - Wolf Redmond
- Carly Pope - Alisha Maracle
- Mylène Dinh-Robic - Olive Maher
- Shaun Majumder - Benny Natchie
- Alex Paxton-Beesley - Theresa Harris
- Sarah Manninen - Laura Dawe
- Marvin Ishmael - Dr. Natchie
- Jon Whalen - Travis Lee
- Bridget Wareham - Coat Check Girl
- Brian Marler - Constable Pike
- Michael Coady - Registration Sign-In Guard
- Ian Tracey - Bill Gorsky
- Jonathan Malen - Dwayne
- Jerry Doyle - Harley Dude Graham
- Sean Panting - Walter McLean
- Sean Panting - Walter McLean (uncredited)
- Renee Hackett - Motel Owner
- Janet Edmonds - Forensics Jill
- Gordon Pinsent - Maurice Becker
- Rhiannon Morgan - Fiona Michaels
- Brian Griffin - Dick
- Evan Mercer - Baxter
- Phil Churchill - Tom O'Dea
- Phil Churchill - Guy at Bar
- Darren Ivany - Aircraft Guard
- Brad Bonnell - Wesley
- Clint Butler - Doug Randall
- Natalia Hennelly - Kelsey
- Melanie Caines - Neve Carmichael
- Justin Nurse - Curtis Breen
- Kevin Lewis - Superintendant Conroy
- Kevin Lewis - Conroy
- Emily Bridger - Attractive Gal
- Monica Walsh - Pretty Young Waitress
- Chuck Herriott - Mal's Ex Cop Buddy
- Chuck Herriott - Reece
- David Feehan - Zach Flemming
- Patrick Foran - Doug Reynolds
- Mark Power - Business Suit Guy
- Mary Walsh - Miranda Cahill
- Steve Cochrane - Tony Baker
- Philip Craig - Arthur Gallagher
- Vicky Hynes - Roxanne Simms
- James Binkley - Bar Creep
- Duane Chard - Drug Dealer (uncredited)
- Lawrence Barry - Frank Simon
- Lawrence Barry - Eye Patient
- Lawrence Barry - Eye Patient (as Lawrence C. Barry)
- Shawn Doyle - Carl Maher
- Sebastian Spence - Bobby Maher
- Nancy Beatty - Motny Doyle
- Jim Codrington - Dr. Jim Collins
- Greg Hawco - Barfly
- Mark Critch - Ned Bishop
- Inga Cadranel - Terri Bishop
- Julia Chan - Karen Becker (as Julia Taylor Ross)
- Jessica Phillips - Candy (as Jessica Rimmer)
- Jane Maggs - Claire Downer (uncredited)
- Jane Maggs - Claire Downer
- Darren Hynes - Bern
- Nicholas Campbell - Martin Poole
- Joanne Kelly - Stacey Layden
- Leah Pinsent - Det. Sheila Lang
- Vincent Walsh - Johnny
- Greg Malone - Finn
- Bruce Brenton - Bartender
- Eric Peterson - Eli Kent
- Kathleen Munroe - Annabelle
- Ross Moore - Young Man
- R. H. Thomson - Francis Chafe
- Cathy Jones - Janet Chafe
- Tammy Isbell - Catherine Walsh
- Simon Northwood - Wilbur Cameron
- Ho Chow - Rick Au
- Sheila Redmond - Shirley
- Perry Chafe - Large Fellow
- Melanie Leishman - Wiggs Dinner
- Paul Rowe - Albert
- Petrina Bromley - Donna
- Aiden Flynn - David
- Aiden Flynn - Judge David Purcell
- Sergio Di Zio - Nevil Wadbah
- David Storch - Daryl Edner
- Lesley Faulkner - Maggie Borden
- Christopher Ralph - Bruce Borden
- Jonathan Goad - Christian Doyle
- Jonathan Goad - Christian Doyle (uncredited)
- Dana Puddicombe - Mary McLean
- Mark Whelan - K.C. Puddister
- Steve O'Connell - Sergeant Daniel Hood
- Steve O'Connell - Cop #1
- Tamara Bernier - Emily Doyle (as Tamara Bernier Evans)
- Michael James Daly - Doug Puddister (as Michael Daly)
- Victoria Holmes - Maid of Honour
- Rick Boland - Halliday
- Julia Kennedy - Little Girl
- Michael Cram - Rene Callahan St.Jules
- Liisa Repo-Martell - Shannie Malone
- Gord Rand - Bernard Malone
- Sherry White - Lucy Windsor
- David Ferry - Tommy Windsor
- Bryan Hennessey - Dr. Vincent (as Bryan Hennessey)
- Brad Hodder - Brandon Curtis Mercer
- Brad Hodder - Coffee Guy
- Conrad Pla - Robert Stanford
- Lindy Booth - Rebecca Jones
- Ruby Joy - Chantel
- Matthew Deslippe - Nathan Jones
- Matt Gordon - Big Fat Ronnie
- Sara Tilley - Diane
- Kate Trotter - Beth Miller
- Shannon Barnett - Chastity
- Shannon Barnett - Destiny / Trudy Spencer
- Adam Butcher - Dylan
- Aidan Devine - Hal Gushue
- Colin Glazer - Jim Foley
- Don McKellar - J.J. Murphy
- Jeff Pustil - Kent Maddox
- Clé Bennett - Stan Bittman
- Jamie Mac - Ryan (as James Stuart MacDonald)
- Joshua Close - Tyler (as Josh Close)
- Joanna Douglas - Leah Jordan
- Anita Majumdar - Michelle Richmond
- Aaron Abrams - Dr. Jon Ronan
- Scott Grimes - Jimmy O’Rourke
- Scott Grimes - Jimmy O'Rourke
- Jane Dingle - Nan
- Pete Soucy - Percy (voice)
- Martha Burns - Joyce
- Emily Hampshire - Tricia
- Matthew Edison - Matthew
- Susan Kent - Carlie
- Robert Joy - Alex Kavanagh
- Robert Joy - Al Kavanaugh
- Richard Clarkin - Edward
- Jody Richardson - Ziggy
- Jody Richardson - Ziggy Putt
- Jonathan Watton - Alex Pittman
- Bill MacDonald - Gordie Pittman
- Christine Horne - Kim Ryan
- Dennis O'Connor - Pete Ryan
- Irene Poole - Lisa
- Geoff Adams - Reg Pittman (as Geoffrey P. Adams)
- Ray Saunders - Terry
- Daniel Murphy - Priest
- Liam Owens - The Kid
- Stephan Dubeau - Truck Driver (uncredited)
- Rachael Crawford - Dr. Jennifer Sullivan
- Geraint Wyn Davies - Calvin Sullivan
- Russell Yuen - Dr. Ng
- Georgina Reilly - Cindy
- Paula Morgan - Nurse
- Paula Morgan - Hospital Volunteer
- Kristen Holden-Ried - Joe
- Kristin Booth - Toni Burke
- Victoria Snow - Siobhan McDonagh
- Troy Blundell - Rick
- Chuck Shamata - Anton Strata
- Ted Dykstra - Jody Redmond
- Michael Worthman - Lance
- James Hawksley - Zack Douglas
- Allison Moira Kelly - Clerk
- Ryan Hollyman - Clint Wallace
- Wayne Best - Staff Sergeant Banfield
- David Huband - Judge
- Jayne Heitmeyer - Jean Francis
- Daniel MacIvor - Inspector Tarrant
- Colin Furlong - Harry Holden
- Ari Cohen - Justin Slade
- Anna Silk - Tania St. Croix
- Paul Gross - Kevin Crocker
- Russell Crowe - Boyd Kelley
- Kevin Durand - Donny Squires
- Lawrence Bayne - Albert Chandler
- Mishael Morgan - Chandra O’Neill
- Joe Cobden - Bruce Michaels
- Theresa Joy - Molly
- Noah Dalton Danby - Arnold Hirsh (as Noah Danby)
- Tattiawna Jones - Anne Marie Booth
- Milton Barnes - Kelly Thomas
- Paul Ewan Wilson - Lonny Kent
- Paul Ewan Wilson - Mark Downer
- Chuck Boyd - Edwin Winters
- Peter Keleghan - Gearhardt
- Helene Joy - Tamara
- Raoul Bhaneja - Javier
- Krista Bridges - Kathleen Doyle
- Kate Hewlett - Erin Riggs
- Paul Essiembre - Bert Antle
- Shaun Benson - Eric Langston
- Shaun Benson - Eric Howlett
- Jessica Greco - Barbara
- Adam MacDonald - Roger
- Richard Chevolleau - Kenny
- Lorry Ayers - Tammy Andrews
- Luke Kirby - Clyde Cowley
- Natalie Brown - Jessica Cowley
- Kevin Jubinville - Jeff Vallis
- Ron Lea - Chili Power
- Marsha Mason - Ellen Thistle
- William MacDonald - Logan Hicks
- Joe Delfin - Smith Carson
- Deidre Gillard-Rowlings - Audrey Burchill
- Brandon McGibbon - Freddie Kaufman
- Darryl Hopkins - Rodney Costello
- Darryl Hopkins - Rodney
- Sebastien Roberts - Guy Racicot
- Andy Jones - Judge Tizzard
- Kandyse McClure - Sabrina McCarthy
- Jim Thorburn - Randall McCarthy
- Cory Lee - Nora
- Ryan Tilley - Owen Banks
- Jessica Steen - Sonja Sterling
- Graham Abbey - George Thomey
- Graham Abbey - George Thomy
- Dan Petronijevic - Brodie (as Daniel Petronijevic)
- Keon Alexander - Holden Neely
- Daniel DeSanto - Marco
- Patrick Galligan - Johnny
- Tom Barnett - Arthur
- Angus Macfadyen - Gerald Bryne
- Martin McCann - Rory Bryne
- Oliver Becker - Nelson McNulty
- Patricia Isaac - Monica Hayward
- Arnold Pinnock - Marco Long
- Rick Roberts - Mayor William Cadigan Clarke
- Rick Roberts - William Cadigan Clarke (voice)
- Rick Roberts - William Cadigan Clarke
- Aaron Poole - Chad King
- Aaron Poole - Chad
- Joris Jarsky - Vince Lanegan
- Erin Karpluk - Dr. Wedgewood
- Gordon S. Miller - Billy Cantrell
- Avery Ash - Kurt Francis
- Sonya Salomaa - Janel
- Conrad Coates - Sheen Barry
- Grant Nickalls - John Spencer
- Sean Baek - Bradley Channing
- Philip Riccio - Thomas Plaskett
- Philip Riccio - Billy Haynes
- Lina Roessler - Carlotta Patterson
- Christopher Bolton - Griffin Daniels
- Steve Boyle - Pat Coombs
- Steve Wilsher - Rich Kearney
- Romina D'Ugo - Natalie Hurst
- Roark Critchlow - Shane Garrett
- Aleks Paunovic - Angus Farris
- Richard Donat - James Bennett
- Geordie Johnson - Ross Keating
- James Gilbert - Tony Bower
- Genelle Williams - Colleen Simms
- Shane Daly - Michael Stewart
- Dov Tiefenbach - Elliot Hughes
- Dax Ravina - Wallace Thompson
- John Cleland - John Manning
- Michael Hogan - Phonse
- Amy Sloan - Eileen Jamison
- Dylan Smith - Dante Peterson (as Dylan Scott Smith)
- Pat Dempsey - Guard
- Max Martini - Big Charlie
- Max Martini - Big Charlie Archer
- Luis Guzmán - Charles Alomar
- Cristina Rosato - Samantha Kaye
- Joel Thomas Hynes - Taylor Gossad
- Joel Thomas Hynes - Tyler Gossad
- Patricia Andrews - Julie Cameron
- Yanna McIntosh - Sarah
- Amelia Manuel - Reporter
- Emmanuelle Vaugier - Gabriela Del Toro
- Steve Bacic - Inspector Craig Smallwood
- Carlos Diaz - Carlos
- Carlos Diaz - Benito
- Ryan Robbins - Callum Pardy
- Raoul Max Trujillo - Eli Kane (as Raoul Trujillo)
- Jonathan Keltz - Grayson Mann
- Jonathan Keltz - Greyson Mann
- Jonathan Keltz - Grayson
- John Vatcher - Crane Operator (as John Watcher)
- Stuart Margolin - Stanley Westcott
- Jennifer Podemski - Maria House
- Peter Mooney - Terry Quinton
- Brett Donahue - William Bastion
- Lola Tash - Sloan Daniels
- Neil Crone - Clark Cooper
- Seamus Morrison - Phillip Sinnot
- Claire Rankin - Elaine Goodwin
- Laura Mennell - Rachel Malloy
- Laura Miyata - Danielle Roberts
- Katie Butler Major - Nancy
- Serinda Swan - Patti Middlebrooks
- Scott McCord - Bruno
- Matt Bois - Warren
- Adrian G. Griffiths - Leon
- Ennis Esmer - Pete Donnelly
- Rachel Skarsten - Veronica Frye
- Paulino Nunes - Rick Harding
- Tim Campbell - Ian Beverly
- Mal Dassin - Sean Bennett
- Craig Olejnik - Grant Pritchard
- Carrie-Lynn Neales - Eve Laurant
- Darryl Couch - Security Guard
- Sara Canning - Jessica Dwyer
- Kate Corbett - Melissa
- Darrin Baker - John Dalton
- Emily Locke Martin - Kate
- Jermel Howard - Lavar
- Cara Gee - Sydney Morrison
- Michael Buie - Emerson Palmer
- Sugith Varughese - Fred Patille
- Nicola Correia Damude - Renee
- Cynthia Preston - Tilda Spence
- David Keeley - Anthony Spence (as David W. Keeley)
- Ron White - Vick Saul
- Tyler Kyte - Luke Jacobs
- Lothaire Bluteau - André Besson
- J. Adam Brown - Oscar Noonan
- Paul Fauteux - Michael
- Dayo Ade - Brian Mitchell
- Benedict Campbell - Judge Richardson
- Meghan Hancock - Garden Part Guest
- Meghan Hancock - Police Sergeant
- Helen Johns - Lisa Younghusband
- Yannick Bisson - Detective Bill Murdoch
- Oluniké Adeliyi - Harley Denief
- Oluniké Adeliyi - Harley Deneif
- Kelly Kruger - Felicity Shepherd
- Jacob Blair - Simon Eagleson
- Chantal Craig - Robin Shepherd
- Natasha Henstridge - Inspector Valerie O’Brien
- Kaitlyn Leeb - Elsa Tessier
- Lorin Raine - Kent Wells
- Karen Cliche - Molly Higgins
- Megan Follows - Warden Barton
- Yan-Kay Crystal Lowe - Michelle Cantwell (as Crystal Lowe)
- Jamie Spilchuk - Sam Pittman
- Enrico Colantoni - Donny Pearl
- Charlotte Hegele - Lydia Cantor
- Graham Shiels - Billy Davidson
- Dalmar Abuzeid - Craig Kelly
- A.J. Buckley - Alex Marshall
- Pascal Langdale - Vincent Letto
- Dwain Murphy - Theo DaCosta
- Liane Balaban - Ruby Renette
- Liane Balaban - Ruby Rennette
- Amy Price-Francis - Victoria Hickley
- Stephen McHattie - Spencer Renette
- John Robinson - Lucas Ledrew / Dr. Colin Gardner
- Sofia Banzhaf - Pam Daniels
- Ronnie Rowe - Otto Brewer (as Ronnie Rowe Jr.)
- John Kapelos - Inspector Vince Pickard
- James McGowan - Damon Rhodes
- George Robertson - Bailiff
- Rick Mercer - Mayor Budgell
- Alison Woolridge - Reporter
- Rob Lieberman
- Mike Clattenburg
- Keith Samples
- Jerry Ciccoritti
- Matt MacLennan
- Allan Hawco
- Rob Blackie
- John Vatcher
- Michael Levine
Julian Richings interpreta a Lionel Harris en la serie.
Allan Hawco hace el papel de Jake Doyle.
Rick Roberts hace el papel de Mayor William Cadigan Clarke.
Russell Crowe hace el papel de Boyd Kelley.
Emily Hampshire interpreta a Tricia en la serie.
Greg Bryk interpreta a Tom Rockwell en la serie.
Bill MacDonald interpreta a Gordie Pittman en la serie.
Aidan Devine hace el papel de Hal Gushue.
Sean McGinley hace el papel de Malachy Doyle.
Lynda Boyd hace el papel de Rose Miller.
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