Dr. Henry Jekyll / Mr. Edward Hyde
Sara Crawford
Dr. Charles Lanyon
Jeffrey Utterson, Esquire
Annabel
Lucy Harris
Sergeant Hornby
Snape
Inspector Palmer
Mrs. Hackett
Beresford Mount, Prince's Private Secretary
Mrs. Clark
Poole the Butler
Jekyll's Father
Young Man (as Martyn Jacobs)
Businessman
Auctioneer
Customer
Head Groom
Sara's Son
Little Girl
Lanyon's Butler
Dr. Lloyd
Sailor
Medical Student 1
Medical Student 2
Medical Student 3
Head Porter
Nurse
Young Maid (Margaret) (as Samantha Janus)
Duty Sergeant
Bartender
Pub Customer
Landlord
Editor
Jekyll's Mother
Big Detective (as Terry Plummer)
Copy Boy
Sub Editor
Lab Technician
Sergeant Cop
Local Cop
Newsboy
Opera Singer
Annabel's Friend
Vendor / Detective
Medical Student (uncredited)
Club Patron (uncredited)