• Allen Reisner

  regizor

• Robert Louis Stevenson

  scenarist

• Michael Rennie (I)

  Dr. Henry Jekyll / Mr. Hyde
• Cedric Hardwicke

  Mr. Utterson
• Mary Sinclair

  The Girl
• Lowell Gilmore

  Dr. Lanyon
• John Hoyt

  Poole
• Karen Scott

  The Girl Companion

• Gilchrist Stuart

  Policeman
• Keith McConnell

  The Fiance
• Harry Fields

  The Pianist
• Diane Doxee

  The Singer
• Barbara Morrison

  The Dowager
• William Lundigan

  Himself--Host
• Art Gilmore

  Announcer

• Keith McConnell

  The Fiance

• Edgar Peterson

  producător