• 
  Frank Tashlin

  regizor

• 
  Ed Haas

  scenarist

• 
  Jerry Lewis

  Jerome Littlefield
• 
  Glenda Farrell

  Dr. Jean Howard
• 
  Everett Sloane

  Mr. Tuffington
• 
  Karen Sharpe Kramer

  Julie Blair
• 
  Kathleen Freeman

  Nurse Higgins
• 
  Del Moore

  Dr. Davenport

• 
  Susan Oliver (I)

  Susan Andrews
• 
  Murray Alper

  Patient
• 
  Francine York

  Nurse
• 
  Dave Willock

  Poliţist
• 
  Milton Frome

  Board Member
• 
  Alice Pearce

  Miss Fuzzibee, Talkative Patient
• 
  John Macchia

• 
  Frankie Darro
• 
  Benny Rubin

  Chelner
• 
  Kent McCord

  Pre- opening credit hospital Intern
• 
  Mike Mazurki

  Moving Van Passenger
• 
  Barbara Nichols

  Miss Marlowe, Actress patient
• 
  Karen Sharpe

  Julie Blair
• 
  Muriel Landers

  Millicent
• 
  Jack E. Leonard

  Fat Jack
• 
  Del Moore

  Dr. Davenport
• 
  Susan Oliver

  Susan Andrews
• 
  Frank J. Scannell

  Milton M. Mealy (as Frank Scannell)