The Strange Case of Dr. Jekyll and Mr. Hyde
Robert Louis Stevenson's The Strange Case of Dr. Jekyll and Mr. Hyde.
Overview
In this Dan Curtis production of the Robert Louis Stevenson classic, Jack Palance stars as Dr. Henry Jekyll, a scientist experimenting to reveal the hidden, dark side of man, who, in the process of his experiment, releases a murderer from within himself.
Cast

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

Oskar Homolka
Stryker

Billie Whitelaw
Gwyn Thomas
William Nunn
Cassidy