Jack Palance

Dr. Jekyll/Dr.Hyde

Denholm Elliott

George Devlin

Leo Genn

Dr. Lanyon

Torin Thatcher

Sir Turnbull

Rex Sevenoaks

Dr. Wright

Gillie Fenwick

Poole der Butler

Elizabeth Cole

Hattie

Duncan Lamont

Sergt. Grimes

Paul Harding

Constb. Johnston