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)

Bart Burns

Joe Cronin (uncredited)