Richard Basehart

as Roy Martin / Roy Morgan

Scott Brady

as Police Sgt. Marty Brennan

Roy Roberts

as Police Captain Breen

Whit Bissell

as Paul Reeves

James Cardwell

as Police Sgt. Chuck Jones

Jack Webb

as Lee Whitey

Reed Hadley

as Narrator (voice) (uncredited)

Frank Cady

as Pete Hammond

Dorothy Adams

as Milk Customer

Jane Adams

as Nurse Scanion (uncredited)

Jack Bailey

as Witness in Pajamas and Robe (uncredited)

Alma Beltran

as Miss Montalvo (uncredited)

Robert Bice

as Detective with Capt. Breen (uncredited)

Dolores Castelli

as Witness (uncredited)

George Chan

as Chinese Suspect (uncredited)

Garrett Craig

as Patrolman (uncredited)

John Dehner

as Assistant Bureau Chief (uncredited)

Ann Doran

as Dispatcher (uncredited)

Rex Downing

as Young Hoodlum (uncredited)

Michael Dugan

as Patrolman (uncredited)

Paul Fierro

as Spanish-Speaking Detective (uncredited)

Byron Foulger

as Freddie (uncredited)

Kay Garrett

as Doctor (uncredited)

Tim Graham

as Uniformed Sergeant (uncredited)

Kit Guard

as Suspect (uncredited)

Harry Harvey

as Liquor Store Proprietor (uncredited)

Thomas Browne Henry

as Dunning (uncredited)

Peter Hobbes

as Milkman (uncredited)

Virginia Hunter

as Miss Smith (uncredited)

Felice Ingersoll

as Records Clerk (uncredited)

Anthony Jochim

as Liquor Store Proprietor (uncredited)

Stan Johnson

as Artist (uncredited)

Louise Kane

as Mrs. Rawlins (uncredited)

Tommy Kelly

as Redhead (uncredited)

Donald Kerr

as Mailman (uncredited)

Charles Lang

as Policeman (uncredited)

Lyle Latell

as Police Sergeant (uncredited)

Rory Mallinson

as Detective with Harry (uncredited)

Billy Mauch

as Handsome (uncredited)

John McGuire

as Officer Robert Rawlins (uncredited)

Charles Meredith

as Hollywood Police Official (uncredited)

Carlotta Monti

as Miss Montavio (uncredited)

Bert Moorhouse

as Detective (uncredited)

Howard Negley

as Lt. Greeson (uncredited)

James Nolan

as Harry (uncredited)

John Parrish

as Liquor Store Proprietor (uncredited)

Steve Pendleton

as Detective (uncredited)

John Perri

as Young Hoodlum (uncredited)

Paul Scardon

as Liquor Store Proprietor (uncredited)

Kenneth Tobey

as Detective Questioning Pete (uncredited)

Wally Vernon

as Postman (uncredited)

Harlan Warde

as Police Operator 27 (uncredited)

Mary Ware

as Reeves' Secretary (uncredited)

Robert B. Williams

as Detective (uncredited)

Harry Wilson

as Prison Inmate (uncredited)