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

Kathleen Freeman

Mrs. Hardtack - Baby Sitter