Anthony Perkins

Jimmy Piersall

Karl Malden

John Piersall

Norma Moore

Mary Piersall

Adam Williams

Doctor Brown

Perry Wilson

Mrs. John Piersall

Peter J. Votrian

Jim Piersall as a Boy

Richard Bull

Reporter Slade (uncredited)

Morgan Jones

Sandy Allen (uncredited)

Edd Byrnes

Boy in Car Assisting Jimmy Up Stairway (uncredited)

Brian G. Hutton

Bernie Sherwill (uncredited)