• 
  Charles Lamont

  regizor

• 
  Lou Costello

  Tubby
• 
  Boris Karloff

  Dr. Henry Jekyll / Mr. Hyde
• 
  Clyde Cook

  Drunk in Pub
• 
  Craig Stevens

  Bruce Adams
• 
  Helen Westcott

  Vicky Edwards
• 
  Hilda Plowright

  Nursemaid
• 
  John Daheim

  4th Heckler in park

• 
  John Dierkes

  Batley
• 
  Al Ferguson

  Watkins, Coachman
• 
  Bert LeBaron

  First Heckler in park
• 
  Harry Cording

  Rough Character in park
• 
  Marjorie Bennett

  Militant Woman on soapbox
• 
  Reginald Denny

  Inspector
• 
  Henry Corden

  Actor in Javanese Costume

• 
  Harry Wilson

  Man asking for Match
• 
  Bud Abbott

  Slim

• 
  Bernard Herzbrun

  art director
• 
  Eric Orbom (I)

  art director
• 
  George Hamilton

  make-up department
• 
  Milicent Patrick

  miscellaneous crew
• 
  Walter Scharf

  music department
• 
  Henry Mancini

  music department
• 
  Leith Stevens

  music department
• 
  Daniele Amfitheatrof

  music department
• 
  Walter Schumann

  music department
• 
  Herman Stein

  music department
• 
  Hans J. Salter

  music department
• 
  Frank Skinner

  music department
• 
  Joseph Gershenson

  music department
• 
  Johnny Green

  music department
• 
  Howard Christie

  producător
• 
  Russell A. Gausman

  set decorator
• 
  Leslie I. Carey

  sound department
• 
  John Daheim

  cascador
• 
  Bert LeBaron

  cascador
• 
  Al Wyatt

  cascador
• 
  Howard Dimsdale

  scriitor
• 
  Lee Loeb

  scriitor