Richard Boone
— Tony Chappel
Suzanne Pleshette
— Kate Todd
Stella Stevens
— Elizabeth Chappel
John Marley
— Lt. Bergman
Fred Beir
— Alex Crawford
Whit Bissell
— Capt. Moss
Paul Smith
— Charles, the Doorman
Dan Spelling
— Teenager
Barbara Dodd
— Mother
Wally Taylor
— Cab Driver #2
Ken Sansom
— Dr. Grant
Sam Edwards
— Cunningham
Buddy Lewis
— Cab Driver #1
Frank Bello
— Sgt. Wilkes
Al Ward
— Manager
Jack Riley
— Cab Driver #3 (uncredited)