Richard Boone as Tony Chappel

Suzanne Pleshette as Kate Todd

Stella Stevens as Elizabeth Chappel

John Marley as Lt. Bergman

Fred Beir as Alex Crawford

Whit Bissell as Capt. Moss

Paul Smith as Charles, the Doorman

Dan Spelling as Teenager

Barbara Dodd as Mother

Wally Taylor as Cab Driver #2

Ken Sansom as Dr. Grant

Sam Edwards as Cunningham

Buddy Lewis as Cab Driver #1

Frank Bello as Sgt. Wilkes

Al Ward as Manager

Jack Riley as Cab Driver #3 (uncredited)