Richard Basehart
Roy Martin / Roy Morgan
Scott Brady
Police Sgt. Marty Brennan
Roy Roberts
Police Captain Breen
Whit Bissell
Paul Reeves
James Cardwell
Police Sgt. Chuck Jones
Jack Webb
Lee Whitey
Reed Hadley
Narrator (voice) (uncredited)
Frank Cady
Pete Hammond
Dorothy Adams
Milk Customer
Jane Adams
Nurse Scanion (uncredited)
Jack Bailey
Witness in Pajamas and Robe (uncredited)
Alma Beltran
Miss Montalvo (uncredited)
Robert Bice
Detective with Capt. Breen (uncredited)
Dolores Castelli
Witness (uncredited)
George Chan
Chinese Suspect (uncredited)
Garrett Craig
Patrolman (uncredited)
John Dehner
Assistant Bureau Chief (uncredited)
Ann Doran
Dispatcher (uncredited)
Rex Downing
Young Hoodlum (uncredited)
Michael Dugan
Patrolman (uncredited)
Paul Fierro
Spanish-Speaking Detective (uncredited)
Byron Foulger
Freddie (uncredited)
Kay Garrett
Doctor (uncredited)
Tim Graham
Uniformed Sergeant (uncredited)
Kit Guard
Suspect (uncredited)
Harry Harvey
Liquor Store Proprietor (uncredited)
Thomas Browne Henry
Dunning (uncredited)
Peter Hobbes
Milkman (uncredited)
Virginia Hunter
Miss Smith (uncredited)
Felice Ingersoll
Records Clerk (uncredited)
Anthony Jochim
Liquor Store Proprietor (uncredited)
Stan Johnson
Artist (uncredited)
Louise Kane
Mrs. Rawlins (uncredited)
Tommy Kelly
Redhead (uncredited)
Donald Kerr
Mailman (uncredited)
Charles Lang
Policeman (uncredited)
Lyle Latell
Police Sergeant (uncredited)
Rory Mallinson
Detective with Harry (uncredited)
Billy Mauch
Handsome (uncredited)
John McGuire
Officer Robert Rawlins (uncredited)
Charles Meredith
Hollywood Police Official (uncredited)
Carlotta Monti
Miss Montavio (uncredited)
Bert Moorhouse
Detective (uncredited)
Howard Negley
Lt. Greeson (uncredited)
James Nolan
Harry (uncredited)
John Parrish
Liquor Store Proprietor (uncredited)
Steve Pendleton
Detective (uncredited)
John Perri
Young Hoodlum (uncredited)
Paul Scardon
Liquor Store Proprietor (uncredited)
Kenneth Tobey
Detective Questioning Pete (uncredited)
Wally Vernon
Postman (uncredited)
Harlan Warde
Police Operator 27 (uncredited)
Mary Ware
Reeves' Secretary (uncredited)
Robert B. Williams
Detective (uncredited)
Harry Wilson
Prison Inmate (uncredited)
Alfred L. Werker
Director
Crane Wilbur
Story
Crane Wilbur
Screenplay
John C. Higgins
Screenplay
Harry Essex
Additional Dialogue
Bryan Foy
Producer
Robert Kane
Producer
Leonid Raab
Original Music Composer
John Alton
Director of Photography
Alfred DeGaetano
Editor
Edward L. Ilou
Art Direction
Armor Marlowe
Set Decoration
Clarence Steensen
Set Decoration
Joe Stinton
Makeup Artist
Ern Westmore
Makeup Artist
Leon Becker
Sound
Hugh McDowell Jr.
Sound
James T. Vaughn
Production Supervisor
Howard W. Koch
Assistant Director
Lester Shorr
Camera Operator
Stewart Stern
Other