• 
  Howard Hawks

  regizor

• 
  Billy Wilder

  scenarist

• 
  J. Edward Bromberg

  Dr. Elfini
• 
  Virginia Mayo

  Honey Swanson
• 
  Danny Kaye

  Profesorul Hobart Frisbee
• 
  Benny Goodman

  Profesorul Magenbruch
• 
  Bess Flowers

  Nightclub Extra
• 
  Joseph Crehan

  District Attorney

• 
  Lane Chandler

  Policeman at Twin Oaks Inn
• 
  Hugh Herbert

  Professor Twingle
• 
  John Impolito

  Chef at the Dixieland
• 
  Sidney Blackmer

  Adams
• 
  Paul E. Burns

  Justice of the Peace
• 
  Joe Devlin

  Adams' Henchman
• 
  Mary Field

  Miss Totten

• 
  Lucille Casey

  Woman at Dorsey Club
• 
  Paul Langton

  Joe
• 
  Ben Welden

  Monte
• 
  O.Z. Whitehead

  Professor Oddly
• 
  Bert LeBaron

  Chef at Dixieland Club
• 
  William Haade

  Detective from D.A.'s Office
• 
  Milicent Patrick

  Woman at Dorsey Club
• 
  Felix Bressart

  Professor Gerkikoff

• 
  George Jenkins

  scenografie