Jerry Lewis

Peter J. Ingersoll / Fred Dobbs

Peter Lawford

Dr. Scott Carter

Anne Francis

Nancy Ingersoll

Pedro Gonzalez Gonzalez

Perfecto

Jennifer Edwards

Jennifer Ingersoll

Eleanor Audley

Mrs. Durham

Henry Corden

Kenyon Hammercher

Sylvia Lewis

Karlotta Hammercher

Phillip Pine

Head Surgeon

Felipe Turich

Foreign Mortician

Kathleen Freeman

Mrs. Hardtack - Baby Sitter

Scatman Crothers

The Corpse (uncredited)

Byron Foulger

Funeral Director (uncredited)

Al Bain

Burial Spectator (uncredited)

Anthony Larry Paul

Credit Card Man (uncredited)

Frankie Darro

Delivery Man (uncredited)

Norman Leavitt

Dr. Everson (uncredited)

Harlan Warde

District Attorney (uncredited)

Margaret Teele

Nurse Susan (uncredited)

Alberto Morin

Portuguese Passport Official (uncredited)

John Stacy

Surgeon (uncredited)

William O'Connell

Hotel Clerk (uncredited)