Robert Mitchum as Captain Thomas McQuigg

Lizabeth Scott as Irene Hayes

Robert Ryan as Nick Scanlon

William Talman as Officer Bob Johnson

Ray Collins as D. A. Mortimer X. Welsh

Joyce Mackenzie as Mary McQuigg

Robert Hutton as Dave Ames

Virginia Huston as Lucy Johnson

William Conrad as Det. Sgt. Turk

Walter Sande as Sgt. Jim Delaney

Les Tremayne as Harry Craig

Don Porter as R. G. Connolly

Walter Baldwin as Sgt. Sullivan

Brett King as Joe Scanlon

Richard Karlan as Breeze Enright

Tito Vuolo as Tony

Eric Alden as Sergeant (uncredited)

Gregg Barton as Rookie Cop (uncredited)

Don Beddoe as Mitchell (uncredited)

Robert Bice as Police Dispatcher (uncredited)

Matthew Boulton as Simpson (uncredited)

Barry Brooks as Cameron (uncredited)

Howland Chamberlain as Roy Higgins (uncredited)

John Daheim as Mannick (uncredited)

Don Dillaway as Harris (uncredited)

Art Dupuis as Police Car Driver (uncredited)

Jane Easton as Operator (uncredited)

Pat Flaherty as Car 43 Policeman (uncredited)

William Forrest as Head of Crime Commission (uncredited)

Jack Gargan as Lewis (uncredited)

Dick Gordon as Pedestrian (uncredited)

Bret Hamilton as Reporter (uncredited)

Jayne Hazard as Girl (uncredited)

Howard Joslin as Sgt. Werker (uncredited)

Hazel Keener as Secretary (uncredited)

Mike Lally as Sergeant (uncredited)

Harry Lauter as Officer Mosley (uncredited)

Ronald Lee as Elevator Boy (uncredited)

Herbert Lytton as Police Doctor (uncredited)

Frank Marlowe as Pedestrian with Morning Newspaper (uncredited)

Thomas Martin as Governor's Butler (uncredited)

Allen Mathews as Pedestrian (uncredited)

Harriet Matthews as Librarian (uncredited)

Philo McCullough as Man Seated at Bar (uncredited)

John McGuire as Policeman in Locker Room (uncredited)

Ralph Montgomery as Pedestrian (uncredited)

Al Murphy as Newsboy (uncredited)

William J. O'Brien as Counterman / Short Order Cook (uncredited)

Eddie Parker as Garage Roof Thug (uncredited)

Ralph Peters as Davis (uncredited)

Howard Petrie as The Governor (uncredited)

Joey Ray as Reporter (uncredited)

Walter Reed as Policeman at Roll Call & in Locker Room (uncredited)

Richard Reeves as Leo (uncredited)

Stephen Roberts as Schmidt (uncredited)

Jack Shea as Night Desk Sergeant (uncredited)

Miles Shepard as Policeman (uncredited)

Charles Sherlock as Pedestrian (uncredited)

George Sherwood as Douglas (uncredited)

Milburn Stone as Member of Craig's Team (uncredited)

Duke Taylor as Policeman (uncredited)

Herb Vigran as Paradise Club Manager (uncredited)

Max Wagner as Durko (uncredited)

Bud Wolfe as Detective with Johnson at the Paradise Club (uncredited)

Sally Yarnell as Police Operator (uncredited)