Paul Douglas

Police Ofcr. Charlie Dunnigan

Richard Basehart

Robert Cosick

Barbara Bel Geddes

Virginia Foster

Debra Paget

Ruth

Agnes Moorehead

Christine Hill Cosick

Robert Keith

Paul E. Cosick

Howard Da Silva

Deputy Police Chief Moskar

Jeffrey Hunter

Danny Klempner

Martin Gabel

Dr. Strauss

Grace Kelly

Mrs. Louise Ann Fuller

Frank Faylen

Walter, room service waiter

Jeff Corey

Police Sgt. Farley

James Millican

Police Sgt. Boyle

Donald Randolph

Dr. Benson

Richard Beymer

(uncredited)

Ossie Davis

Cab Driver (uncredited)

Brad Dexter

Reporter (uncredited)

Leif Erickson

Bit Part (uncredited)

Sandra Gould

Hotel Switchboard Operator (uncredited)

Russell Hicks

Regan, Hotel Manager (uncredited)

Brian Keith

Extra (uncredited)

Harvey Lembeck

Cab Driver (uncredited)

John Randolph

Fireman (uncredited)

Janice Rule

Bit Part (uncredited)

Joyce Van Patten

Barbara (uncredited)

Willard Waterman

Mr. Harris (uncredited)

John Cassavetes

Reporter (uncredited)

Rusty Lane

Cop (uncredited)

Alix Talton

Miss Kelly (uncredited)