cast
- Michael Caine
- Henry Jekyll
- Cheryl Ladd
- Sara
- Ronald Pickup
- Jeffrey Utterson
- Miriam Karlin
- Mrs. Hackett
- Kevin McNally
- Sgt. Hornby
- David Schofield
- Snape
- Kim Thomson
- Lucy
- Lionel Jeffries
- Jekyll's Father
- Joss Ackland
- Doctor Lanyon
- Lee Montague
- Insp. Palmer
crew
- David Wickes
- Director, Screenwriter
- Patricia Carr
- Producer
- Norman Langley
- Cinematographer
- John Cameron
- Composer (Music Score)
- John Shirley
- Editor
- William Alexander
- Production Designer
