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

Joan Heal

Mrs. Clark

Frank Barrie

Poole the Butler

Martin Jacobs

Young Man (as Martyn Jacobs)

David Wickes