• 
  Edward L. Cahn

  regizor

• 
  Chester Morris

  Dr. Carlo Lombardi
• 
  Frieda Inescort

  Mrs. Chappel
• 
  Bess Flowers

  Invitat
• 
  Kenneth MacDonald

  Police dr. with Prof Anderson
• 
  Edmund Cobb

  Pete, the Police Sergeant
• 
  Paul Dubov

  Johnny, the barker
• 
  Luana Walters

• 
  Ron Randell

  Police Lt. Ed James
• 
  Edward Earle

  Professor Anderson
• 
  Frank Jenks

  Plainclothes Sgt. with Lt James
• 
  Cathy Downs

  Dorothy Chappel
• 
  Creighton Hale

  Rol de o replică
• 
  Stuart Holmes

  Invitat
• 
  Harold Miller

  Invitat

• 
  Kenner G. Kemp

  extra

• 
  Marjorie Corso

  costume and wardrobe departmen
• 
  Ronald Sinclair

  montaj
• 
  Israel M. Berman

  producător
• 
  Samuel Z. Arkoff

  producător
• 
  Harry Reif

  set decorator
• 
  Lou Rusoff

  scriitor