• 
  Jerry Lewis

  regizor

• 
  Jerry Lewis

  Warren Nefron/ dr. Perks / gangster
• 
  Sammy Davis Jr.

  Mr. Billings
• 
  Francine York

  Marie Du Bois
• 
  Milton Berle

  Female Patient
• 
  Ruta Lee

  Voice
• 
  Bill Richmond
• 
  Dick Butkus

  Anti-Smoking Enforcer

• 
  Herb Edelman

  Dr. Jonas Pletchick

• 
  Morton Stevens

  departament sunet
• 
  Gene Fowler Jr.

  montaj
• 
  Peter Nelson

  producător
• 
  Carey Loftin

  cascador
• 
  Conrad E. Palmisano

  cascador
• 
  Jerry Lewis

  scriitor

• 
  Bill Richmond

  scriitor