Jerry Lewis

~ as ~

Peter J. Ingersoll / Fred Dobbs

Peter Lawford

~ as ~

Dr. Scott Carter

Anne Francis

~ as ~

Nancy Ingersoll

Pedro Gonzalez Gonzalez

~ as ~

Perfecto

Jennifer Edwards

~ as ~

Jennifer Ingersoll

Jimmy Miller

~ as ~

Jimmy Ingersoll

Eleanor Audley

~ as ~

Mrs. Durham

Henry Corden

~ as ~

Kenyon Hammercher

Sylvia Lewis

~ as ~

Karlotta Hammercher

Phillip Pine

~ as ~

Head Surgeon