- Ray Danton - Sonny
- Wayne Rogers - Jerry, the Photographer
- Phil Arnold - Buyer
- Warren Stevens - Arthur Strickland
- Dianne Foster - Maggie Lynch
- Johnny Haymer - Rodriguez
- Maureen McCormick - Margaret Mary Driscoll
- Michael J. Pollard - Jingles
- Sean McClory - Insurance Investigator Booth
- Val Avery - Roger
- Harry Bellaver - Charlie
- James B. Sikking - Valentine
- Joe Don Baker - Rocky Hansen
- Dick Clark - PR Agent Payton
- Anthony Eisley - Peter Sutton
- Richard Kiel - Groalgo
- Monte Hale - Sheriff Johnson
- Michael Pate - Darza
- Alan Reed - 'Chick'
- Byron Foulger - Arthur Bird
- Mimsy Farmer - Tina
- Ellen Corby - 'Nellie Peedy'
- Leonid Kinskey - Roger / Bogus Conrad Wycherly
- John Hoyt - Prof. Von Kemp
- George Furth - Sandy Corbin
- Severn Darden - Dr. Gregory Ames
- Adam Williams - Gordon Forbes
- Richard Loo - Tog - Chinese Fine Arts Thief
- Barry Kelley - Lieutenant Stone
- Mary Murphy - Vicky
- James Best - Vince Zale
- Horst Ebersberg - Gunter
- Everett Sloane - Mr. Bartholomew
- Richard Crane - Master of Ceremonies
- Harry Basch - Mr. Flowers
- Arthur Batanides - 'Chico'
- Percy Helton - Wiley
- Herbie Faye - Mr. Kessler
- Nancy Kovack - 'Nicole'
- William Benedict - Farley
- David Opatoshu - Kelso King
- Byron Morrow - Franklyn Buckley
- Louis Quinn - 'Toddle'
- John Harmon - Engineer
- Nehemiah Persoff - Faustini
- James Griffith - Conrad Wycherly
- William Keene - Granville Manners
- Robert Strauss - King
- Edd Byrnes - Robin Hood
- Lloyd Bochner - Guy Patterson
- Leon Askin - The Count
- Herb Edelman - Moody
- Army Archerd - Announcer
- Len Lesser - Mr. Crimm
- Philip Ober - J. J. Vanderhyden
- Liam Sullivan - Ins. Co. President Canby
- Roy Jenson - Mr. Stashall
- Steve Ihnat - Garth
- Cesare Danova - Abbott
- Pepe Callahan - Jose
- Howard McNear - Mr. Tweedy
- Dan Frazer - Harold Sutter
- Dennis Patrick - Carson
- Ralph Manza - Putzi
- Maurice Dallimore - Hurd, the Englishman
- Woodrow Parfrey - Ronald Neuworth
- Allen Jenkins - Gate Guard
- Henry Jones - Reedy Comfort
- Henry Brandon - Alexander Sebastian
- Stanley Adams - Tobias Quinn
- J. Pat O'Malley - Francis Grady
- Kevin McCarthy - Jerry Ivar
- Ivan Triesault - Laszlo Shatzi
- S. John Launer - Tyler
- Allyson Ames - Ida Bering
- Benny Rubin - Marty
- Marvin Kaplan - 'Byron Manners'
- Henry Beckman - Fred Cody
- Joseph V. Perry - Man
- Barbara Morrison - Woman
- Anthony Eustrel - Mr. Leopold
- Eleanor Audley - Mrs. Carlton Murdock
- Bobby Sherman - 'Nicky Van'
- Alean 'Bambi' Hamilton - Nurse
- Winnie Collins - Masseuse
- Louise Arthur - Mrs. Mainwaring
- Than Wyenn - Driver / Waiter
- David Armstrong - Man
- Joel Lawrence - Man
- Clarence Lung - Maitre'D
- Sydney Smith - Addison
- Norman Alden - Ben Fancher
- Norman Alden - Artie Dixon
- Harold Fong - Custodian
- Norman Palmer - Customer
- Gilchrist Stuart - Desk Man
- Charles Wagenheim - Desk Clerk
- William Bramley - George Mortimer
- John McLiam - Gordon
- Larry D. Mann - Willis Van Wyck
- Larry D. Mann - Tripp - Bald Man
- Guy Lee - Houseboy
- George Keymas - The Killer
- Henry Hunter - Lucas
- Arline Anderson - Mrs. Buckley
- Pepita Funez - Lida
- Jack Perkins - Szabo
- Bobby Johnson - Attendant
- Harry Millard - Charlie French
- Maurine Dawson - Karen
- Audrey Christie - Lola Getz
- Michael Fox - Lt. Kovacs
- Michael Fox - Mr. Strate
- Peter Leeds - Lt. Sherman
- Peter Leeds - Lt. Coombs
- Jerry Brutsche - Carlos
- Richard Angarola - Ramon Vargas
- Bern Hoffman - Steamfitter
- Robert Carricart - Mr. Arkudian
- Gene Darfler - The Goon
- Nino Candido - Marv
- Nino Candido - Buddy
- Charlene Holt - Gloria
- Laurie Main - Antoine
- Marvin Brody - Bear Trainer
- Marvin Brody - Mears
- Marvin Brody - Joe Steele
- David Pritchard - Frankie
- Marjorie Bennett - Ma
- Sarah Selby - Dora Neeley
- Frank J. Scannell - Driver
- Fred Vincent - Lt. Keith
- Bill Quinn - Lieutenant
- Bill Quinn - Lieutenant Curtis
- Don Gazzaniga - Man
- Don Gazzaniga - Jago
- Don Gazzaniga - Butler
- Don Gazzaniga - T-Man
- Jason Wingreen - Bellhop
- Louise Troy - Darlene, the hypotist
- Stacy Harris - Charlie Kenyon
- Judy Lang - Miss Christie
- Cal Bolder - Cop
- Will J. White - Guard
- Danny Rees - Juggler
- Vincent Beck - John Raven
- Gil Lamb - Counter Man
- Bella Bruck - Mexican Woman
- Chuck Hicks - Crowley
- John McGiver - Mr. Brillig
- Howard Dayton - Little Ardo
- Leon Lontoc - Wong
- Charles Lane - Ash
- Paul Sorensen - Patrolman Cowan
- Paul Sorensen - Swetlow
- Paul Sorensen - Motorcycle Officer
- Troy Melton - Guard
- Jonathan Hole - Mr. Gruder
- Jonathan Hole - Chemist
- Bill McLean - Pringle
- Bill Catching - Paul Wycherly
- David Brian - C.C. Rockwell
- Charles Horvath - Terk
- Charles Horvath - Ding Dong
- Robert R. Stephenson - Watchman
- Fred Beir - Pete Lynch
- June Vincent - Victoria Tilson
- Ken Lynch - Lt. Barney
- Ken Lynch - Lt. Barney Keller
- Ken Lynch - Lieutenant Wyman
- Irene Hervey - Aunt Meg
- Irene Hervey - 'Aunt Meg'
- James Brown - Buster Macon
- Lou Krugman - Stuart Bell
- Lou Krugman - Durant
- Bill Shannon - witness
- Chuck Couch - Witness
- Howard Curtis - Hood
- Robert Hickman - Waiter
- Françoise Ruggieri - Annette
- Richard Carlyle - 'Twilly'
- Frank Wilcox - Mr. Burgess
- Frank Gerstle - Director
- Paul 'Mousie' Garner - Igor
- Robert Kenneally - Joe Hero
- Leonard Bremen - Maxie Bripp
- Paul Dubov - Lieutenant Badger
- John Holland - Piccadilly Charlie
- David Fresco - Mousey
- Richard Hoyt - Drunk / Waiter
- Jan Arvan - Mr. Rush
- Michael Harris - Technician
- Lisa Seagram - Connie Phillips
- Fred Murphy - Young Man
- Aaron Spelling
- Richard Newton
James Griffith interpreta a Conrad Wycherly en la serie.
Leonid Kinskey hace el papel de Roger / Bogus Conrad Wycherly.
Percy Helton interpreta a Wiley en la serie.
Philip Ober interpreta a J. J. Vanderhyden en la serie.
Adam Williams hace el papel de Gordon Forbes.
Nehemiah Persoff interpreta a Faustini en la serie.
Ken Lynch interpreta a Lieutenant Wyman en la serie.
John McGiver interpreta a Mr. Brillig en la serie.
Alan Reed hace el papel de 'Chick'.
Stanley Adams interpreta a Tobias Quinn en la serie.
Capítulo disponible en las siguientes plataformas:
