Ralph Byrd
Dick Tracy
Jan Wiley
June 'Eve' Chandler
John Davidson
Lucifer
Ralph Morgan
J.P. Morton
Kenneth Harlan
Police Lt. Cosgrove
John Dilson
Henry Weldon
Howard Hickman
Stephen Chandler
Robert Frazer
Daniel Brewster
Robert Fiske
Walter Cabot
Jack Mulhall
Jim Wilson
Hooper Atchley
Arthur Trent
Anthony Warde
John Corey
Carol Adams
Nurse
John Bagni
Pete
Griff Barnett
Plant Watchman
Ray Bennett
Brownstone Heavy 1
Lynton Brent
Telephone Serviceman
Wheaton Chambers
Dr. Henderson
Edmund Cobb
Police Guard at Chandler's Gate
Terry Frost
Drake
Bud Geary
Plant Heavy 7
Edward Hearn
Cutter Captain
Selmer Jackson
Army Officer
Marjorie Kane
Cigarette Girl
Jack Kenney
Police Lt. Berke
Joe Kirk
Brownstone Heavy 3
Fred Kohler Jr.
House Heavy
Nora Lane
Trent's Secretary
Carl M. Leviness
Airport Passenger
Alexander Lockwood
Smith
Julian Madison
Ranger
Walter McGrail
Junction Heavy 1 / Marine Captain
John Merton
Brent
Walter Miller
Launch Heavy (archive footage)
Howard M. Mitchell
Officer Riley
Eddie Parker
Hideout Heavy
Stanley Price
Barn Heavy QR10
Hugh Prosser
Patrol Captain
Bob Reeves
Plainclothesman
Buddy Roosevelt
Pier Heavy 3
Cy Schindell
Plant Heavy 8
David Sharpe
Pier Heavy 1
C. Montague Shaw
Dr. Jonathan Martin
Al Taylor
Launch Heavy
Forrest Taylor
Netzikoff's Butler
Harry Tenbrook
Junction Heavy 2
Archie Twitchell
Radio Announcer (voice)
Robert J. Wilke
Cutter Helmsman
John James
Davis, Patrol Guard