William Holden as Lt. William Calhoun

Nancy Olson as Joyce Willecombe

Barry Fitzgerald as Inspector Donnelly

Lyle Bettger as Joe Beacom

Jan Sterling as Marge Wrighter

Allene Roberts as Lorna Murchison

Herbert Heyes as Henry Murchison

James Seay as Detective Shattuck

Parley Baer as Detective Gottschalk

Ralph Sanford as Detective Fay

Richard Karlan as Detective Stein

Fred Graff as Vince Marley

Don Dunning as Gus Hadder

Bigelow Sayre as Detective Ross

Charles Dayton as Howard Kettner

Jean Ruth as Pretty Girl

Paul Lees as Young Man Masher

Harry Hayden as Conductor Skelly

Eric Alden as Doctor (uncredited)

Trevor Bardette as Patrolman (uncredited)

Ralph Byrd as Priest (uncredited)

Betty Corner as Woman (uncredited)

Robert Cornthwaite as Emergency Room Orderly (uncredited)

John Crawford as Hackett (uncredited)

Isabel Cushin as Clerk (uncredited)

Edgar Dearing as Detective (uncredited)

Mike Donovan as Watchman (uncredited)

June Earle as Nurse (uncredited)

Robert Easton as Con Victim (uncredited)

Dick Elliott as Powerhouse Workman (uncredited)

Edith Evanson as Mrs. Willecombe (uncredited)

Franklyn Farnum as Sleeping Train Passenger (uncredited)

Al Ferguson as Detective (uncredited)

Byron Foulger as Horace - Baggage Clerk (uncredited)

Gerry Ganzer as Clerk (uncredited)

Jack Gargan as Tom - Police Stenographer (uncredited)

Sumner Getchell as Police Car Driver (uncredited)

Charmienne Harker as Clerk (uncredited)

Bob Hoffman as Messenger (uncredited)

Thomas E. Jackson as Detective (uncredited)

Jerry James as Con Artist (uncredited)

Barbara Knudson as Clerk (uncredited)

Ethan Laidlaw as Police Detective (uncredited)

George Lynn as Detective Moreno (uncredited)

Mike Mahoney as Patrolman (uncredited)

William Meader as Police Projectionist (uncredited)

Lee Miller as Police Detective (uncredited)

Howard M. Mitchell as Detective (uncredited)

Hans Moebus as Charlie - Chauffeur (uncredited)

Ralph Montgomery as Con Artist (uncredited)

Howard Negley as Conductor (uncredited)

Gilman Rankin as Doctor (uncredited)

Joe Recht as Messenger (uncredited)

Jack Roberts as Freddie (uncredited)

Kasey Rogers as Jenny - Clerk (uncredited)

Charles Sherlock as Doctor (uncredited)

Queenie Smith as Landlady (uncredited)

Douglas Spencer as Stationmaster (uncredited)

Brick Sullivan as Policeman (uncredited)

Bernard Szold as Counterman (uncredited)

Dorothy Vernon as Union Station Extra (uncredited)

Joe Warfield as Manny (uncredited)

Ward Wood as Patrolman (uncredited)

Clifton Young as Ambulance Driver (uncredited)

Fred Zendar as Ambulance Driver (uncredited)