- Gary Day - Sen. Det. Phil Redford
- Gary Day - Russell Thompson
- Leslie Dayman - Sen. Det. Bill Hudson
- Leslie Dayman - Ray Smith
- Alwyn Kurts - Insp. Colin Fox
- Alwyn Kurts - Insp. Colin Fox (uncredited)
- Alwyn Kurts - Frank Inglis
- Terry McDermott - Det. Sgt. Frank Bronson
- Terry McDermott - Lew Church
- George Mallaby - Det. Peter Barnes
- George Mallaby - Sen. Det. Peter Barnes
- George Mallaby - Don Brady
- George Mallaby - Alan
- George Mallaby - Dick Abbott
- Dennis Grosvenor - Sen. Det. Mike Deegan
- Dennis Grosvenor - Jim Freeman
- Dennis Grosvenor - MIke Wade
- Leonard Teale - Det. Sgt. David Mackay
- Leonard Teale - Det. Snr. Sgt. David Mackay
- Leonard Teale - Sen. Det. David Mackay
- Leonard Teale - William Nelson
- Leonard Teale - Inspector David Mackay
- Leonard Teale - Brian Leonardson
- Don Barker - Det. Sgt. Harry White
- Don Barker - Doug Phillips
- Don Barker - Hughie McBride
- Don Barker - Pat Rainsford
- Don Barker - Frank Hoffman
- Don Barker - Bernie Hicks
- Don Barker - Harry Stone
- Norman Yemm - Sen. Det. Jim Patterson
- Norman Yemm - Errol Stewart
- Norman Yemm - Malcolm Timms
- Norman Yemm - Geoff Archer
- Norman Yemm - Bob Hills
- Norman Yemm - Ivan Hondross
- Norman Yemm - Frank Bates
- Norman Yemm - Blue Carmody
- Lex Mitchell - Det. Rex Fraser
- Lex Mitchell - Mick Doyle
- Lex Mitchell - Don Whittaker
- Lex Mitchell - Edgar Jackson
- Lex Mitchell - Les Dawson
- David Atkins - Tony Phillips
- David Atkins - David Enwright
- David Atkins - Robert Anderson
- Raymond Westwell - Colin Foster
- John Stanton - Sen. Det. Pat Kelly
- John Stanton - Jimmy Taylor
- John Stanton - Jack Robertson
- John Stanton - Kev Lister
- John Stanton - NSW Constable
- John Stanton - Al Simmonds
- John Stanton - Ken Anderson
- Michael Preston - Sen. Det. Bob Delaney
- Gordon Glenwright - John Healy
- Susanne Haworth - Prue Ellison
- Ian Turpie - Lindsay Murdock
- John Derum - Ray Healy
- Joan Letch - Barbara Healy
- Laurence Beck - James Collier (uncredited)
- Graeme Blundell - Bank Customer (uncredited)
- Martin Magee - Edward Barrett (uncredited)
- Telford Jackson - Tom Mitchell
- Telford Jackson - Sgt. Whitehall
- Telford Jackson - George Jenkins
- Telford Jackson - Publician
- Telford Jackson - Marty
- Telford Jackson - Arch Benson
- Telford Jackson - Spencer
- Telford Jackson - Gilchrist
- Telford Jackson - Ford
- Telford Jackson - Peter Evans
- Telford Jackson - George Berrigan
- Telford Jackson - Charlie Collins
- Telford Jackson - Bookie
- Telford Jackson - Frank Miller
- Telford Jackson - Oscar Pike
- Telford Jackson - Steve Cooper
- Telford Jackson - Green
- Telford Jackson - Sgt. Fred Ward
- Telford Jackson - Jack
- Telford Jackson - David Ross
- Telford Jackson - John Clark
- Telford Jackson - Alec Potts
- Telford Jackson - Det. Sgt. John Wright
- Telford Jackson - Anderson
- Telford Jackson - Tom Tapley
- Telford Jackson - Matthews
- Telford Jackson - Arthur Mace
- Telford Jackson - Storekeeper
- Telford Jackson - Motorist
- Telford Jackson - Child
- Telford Jackson - George Croft
- Telford Jackson - Removalist
- Telford Jackson - Harold Binks
- Jon English - Gordon Haynes
- Kate Sheil - Elly Sullivan
- David Vallon - Alex Robertson
- Carla Hoogeveen - Susan Brice
- Tony Bonner - Denny Connell
- Cheryl Rixon - Wendy
- Neil Thompson - Insp. George Beatty
- Betty Bobbitt - Customs Officer
- Terry Norris - Defence Counsel
- Judith Arthy - Joyce Paton
- Marion Edward - Henrietta Cummings
- Ron Pinnell - John Mitchell
- Don Pascoe - Charles Parkinson
- Robert McDarra - Harold Roper
- Madeline Orr - Mrs. Hammond
- Kit Taylor - James Curtin
- Jacki Weaver - Annette Bishop
- Jacki Weaver - Petra Kendrix
- Jacki Weaver - Wilma Steiner
- Jacki Weaver - Vicki Gaye
- Jacki Weaver - Kay Thomas
- Jacki Weaver - Jill Henderson
- Jacki Weaver - Sue Ryan
- Jacki Weaver - Anne Johnson
- Jacki Weaver - Hettie
- Norman Kaye - Prosecutor
- Robert Earle - Ernie King
- Felicity Young - Nancy Tate
- Douglas Kelly - Stephen Bickford
- Lynne Flanagan - Eileen Bridges
- Keith Lee - The Prosecutor
- Keith Lee - Prosecutor
- John Clayton - Sid Bennett
- Buster Fiddess - The Duke
- Jill Forster - Eve Harrison
- Wi Kuki Kaa - Rollo
- Jeanie Drynan - Sandra O'Brien
- Lindsay Edwards - Simon Kelly
- Reg Gorman - Alfred Harrison
- Penne Hackforth-Jones - Anne Kelly
- Bob Horsfall - Harry Watson
- Bill Hunter - James Reid
- Maggie Millar - Ruth Reid
- Chris Peters - Prison Officer
- Slim DeGrey - Percy Thompson
- Kevin Leslie - Tom Flanagan
- Brian Muir - Const. Hobson
- Clifford Neate - Jack Brophy
- Peter Drake - George Long
- Dawn Klingberg - Edna Malone
- Patricia Kennedy - Mrs. Ryan
- Penelope Shelton - Laura Hopkins
- Tony Sheldon - Gary Hopkins
- Roy Day - Cox
- Nevil Thurgood - Wilton
- Sonia Borg - Katrina Heywood
- Louise Homfrey - Norma Heywood
- Tommy Dysart - Nicolo Rogowski
- Kurt Ludescher - Anton Poznan
- Edward Howell - Pathologist
- Elspeth Ballantyne - Maureen Davis
- Briony Behets - Helen Green
- Frank Gallacher - Sydney Green
- Alan Hardy - Steve
- María Mercedes - Anna Petrelli
- John Orcsik - Jack O'Brien
- Ian Jones
- George T. Miller
- Alex Emanuel
- Paul Eddey
- Igor Auzins
- Gary Conway
- Alan Cram
- Keith Hetherington
- Harold Lander
- Bruce A. Wishart
- José Luis Bayonas
- John Blair
- Dorothy Crawford
- Ian Crawford
Bill Hunter interpreta a James Reid en la serie.
Charles Tingwell interpreta a Insp. Reg Lawson en la serie.
Don Barker hace el papel de Det. Sgt. Harry White.
Gary Day hace el papel de Sen. Det. Phil Redford.
Dennis Grosvenor interpreta a Sen. Det. Mike Deegan en la serie.
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