Richard Basehart as Warren Quimby

Audrey Totter as Claire Quimby

Cyd Charisse as Mary Chanler

Barry Sullivan as Lt. Collier Bonnabel

Lloyd Gough as Barney Deager

Tom D'Andrea as Freddie

William Conrad as Lt. Edgar Gonsales

Tito Renaldo as Narco

Ray Bennett as Theatre Manager (uncredited)

Virginia Brissac as Mrs. Andrews (uncredited)

Peter Brocco as Balew (uncredited)

Steve Carruthers as Reporter (uncredited)

Bert Davidson as Repoerter at Press Club Café (uncredited)

John Gallaudet as Artie (uncredited)

Theresa Harris as Woman in Drugstore (uncredited)

John Indrisano as Boxer Handler (uncredited)

George Magrill as Policeman (uncredited)

Kitty McHugh as Agnes (uncredited)

Mike Morelli as Reporter at Press Club Café (uncredited)

Stephen Roberts as Eye Doctor (uncredited)

Dewey Robinson as Drugstore Patron (uncredited)

Carl Sklover as Reporter at Press Club Café (uncredited)

Hayward Soo Hoo as Kid in Drugstore (uncredited)

Arthur Tovey as Reporter (uncredited)

Philip Van Zandt as Police Lt. Schiavone (uncredited)

Tommy Walker as Man at Counter Trying to Pick-Up Claire (uncredited)