Michael Caine

Dr. Henry Jekyll / Mr. Edward Hyde

Cheryl Ladd

Sara Crawford

Joss Ackland

Dr. Charles Lanyon

Ronald Pickup

Jeffrey Utterson, Esquire

Diane Keen

Annabel

Kim Thomson

Lucy Harris

Kevin McNally

Sergeant Hornby

David Schofield

Snape

Lionel Jeffries

Jekyll's Father

Lee Montague

Inspector Palmer

Miriam Karlin

Mrs. Hackett

Lance Percival

Beresford Mount, Prince's Private Secretary

Martin Jacobs

Young Man (as Martyn Jacobs)

Kiran Shah

Sara's Son

Gary Shail

Sailor

David Michaels

Medical Student 1

Richard Dixon

Medical Student 3

Samantha Womack

Young Maid (Margaret) (as Samantha Janus)

Margaret Rawlings

Jekyll's Mother

Michael Stainton

Duty Sergeant

Ross McCall

Copy Boy

Craig Crosbie

Lab Technician

Nigel Betts

Local Cop

Prentis Hancock

Vendor/Detective