General Roberts
Insp. Malloy, chief interrogator
Stage Manager (uncredited)
Inspector John
Narrator (voice)
Jim Davis
Augustus 'Gus' King
Ted Rand
Prison Yard Guard
Police Capt. Dick Rugg (as Lysle Talbot)
Lt. Bob Bennett
Program Hawker (uncredited)
City Detective
Bud Saunders
Michael Loftus
Miller
Don
Willie Hogger
Daniel 'Danny' Drew
Tex Irwin
Chief Jensen
Dr. Leonard Goodman
Tony Fuller
Johnny Morello
Fred Muller
Radio station director
Spencer Carlton
Gale Leland
Dr. William Guellfe, Plastic Surgeon
Self (archive footage)
Francis X. Harrigan
Himself
George Dickson
Bill Houston
Eddie Fields
Commissioner Jim Gordon
Phil Winston
Mr. Elliot, Health Inspector (uncredited)
Harry Woodruff
Edward Griswold 'Eddie' Shaw
Jeff
Luthor, alias The Atom Man
Roy DeHaven, alias Pat Gilroy
Bob 'Three Star' Halsey
Leonardo, Prosecuting Attorney
Company Detective
Chick Carter
Agent Johnson
Police Lt. Grayson
Phillip Reeves
Police Lt. Ralph McLaughlin
Fred Dennis
Square, Convict, segment "The Hostages"
Dr. Mitchell Heller
Grant
Col. Loring
Sergeant Gelsey
Dr. Robert Doray
Ross Lonergan
Big Jim, bank robbery leader
Robert Cromwell
Charles Johnson
Buck Weaver
Van Richards
Captain Blair
Hugo Henderson
Bob Benton
Mr. Harry Lacy
Capt. Pace
Dr. Greg Connolly
Raymond Fox
Slattery
Lucky Lorimer
Tony Gage
Ed Brice
Don A. Andrews
Cy Bowman
Paul Hunter
Doc
Joe Powell
Taggart
George Pierce
Jim
Randall
Neil
Bill Peck
Crane
Matt Collins
Dr. Jerome Preston 'Jerry' Gregory
'Dynamite' Hogan / Tom Connors
Bob Jones
Rudolph Toller
Miller Executive
Newspaper Editor (uncredited)
Dr. Gregory Burton
Doctor (uncredited)
Yellow Gloves Weldon
Weber
Reddy
Dr. Allen Carick
Frank Gordon
Charles Eastman
Contractor
Rolfe Brent
Ted Lacey
Charley Barnes
Eugene du Pont
Henry Porter
Dick Porter
Wallace Storm
Mr. Boyer
Harry Connors
Bruce McDermott
Major Gerald Curwin
Singer Martin
Dr. Warburton, Psychiatrist
Mr. Casey
Judge Roger Dixon
Bill Potts (uncredited)
An Admiral
King Blaine
Ross Waring
Police Commissioner Hughes
Trailer Narrator (voice) (uncredited)
Blackburn
Anthony 'Tony' Sardell
Garvey Yager
Dr. Martin
Doc Lockwood
Judge
Pvt. Jimmy Barton
Capt. Robert Owen
Official from District Attorney's Office
Sheriff Frank Casey
Jim Thorne
Pops
Jack Scott
Dave Tolliver aka Bob Kirk
Buell Renslow
Marty Collins
Army Capt. Steve Russell
George Kent
Geoffrey Warning (voice) (uncredited)
Bob Carey
Blinky Harris
Andrew J. Barrett
Bart Miller
Rocky Gibraltar
Franklin
Mooney
Len 'Lenny' Sully (uncredited)
Nick Roulade
Dashiell Hammett
Ranger Captain McLain
Chief Marshal
Sheriff Ed Lowery
Walter Fleming
Col. Foster [Chs.5-6]
Captain Hamilton
U. S. Marshal Bill Hollister
Sgt. Jack Craig
Lucky Dorgan
Telegraph Operator
Inspector Wheeler
Himself
Himself (uncredited)
Himself
Radio Announcer
Capt. Jim Duncan
Executive No. 2
Logger #1
Henerson
Self
British Ship Captain
Inspector Warren
Teasdale
William Remington Kane
Barent
Mr. Williams, Insurance Man
French Representative
Fred Burns
Capt. Hayes
Lt. Muldoon
Self
Dr. Wilson
Self / Commissioner Gordon (archive footage)
Self (uncredited)
Maj. Green
Mr. Brimmer
O'Neill
Lawyer
Mr. Stanford
Second Psychiatrist
Tom Mills
Additional Voices (voice)
Alan Crandell
Cousin Ned
Michael Garvin Sr.
Trent
Father Serra
Mr. Chuck Dennison
Mayor
Steven Blakely
Joe Price
Paul
Fred Carlson
Victor Long
Paul Crowley
Baylor
Benson
Warden
Police Lt. Choates
Mr. Anders
Al Simon
Gibralter
Adams
W.T. Emerson
Dobin
Paul Fonda
Bill Jeffries
Horace Bennett
Avery Dawson
Mr. Cheever
Johnson
Joe Randolph (uncredited)
Howard Wilcox
O'Leary
Abner
Fred Fox
George Wilson
Phil Paige
Wildcat Cannon
Judge Judd Hinshaw
Capt. Flood
Roger Burnett
George Hausner
Mort Askins
The Handsome Dude in Bar
Joe Randolph
Bowers
Woody Gaynor
Colonel Marsham
88 Keyes
Sen. Lyle Talbot
Judge (uncredited)
Judge Watkins
Dr. Otis Gray
Gov. Carstairs
Bank Teller
Fred Logan
Jimmy Dill
Eddie Kling