Dr. Jekyll believes good and evil exist in everyone and creates a potion that allows his evil side, Mr. Hyde, to come to the fore. He faces horrible consequences when he lets his dark side run amok.
Spencer Tracy
as Dr. Henry 'Harry' Jekyll / Mr. Hyde
Ingrid Bergman
as Ivy Peterson
Lana Turner
as Beatrix 'Bea' Emery
Donald Crisp
as Sir Charles Emery
Ian Hunter
as Dr. John Lanyon
Barton MacLane
as Sam Higgins
C. Aubrey Smith
as The Bishop
Peter Godfrey
as Poole
Sara Allgood
as Mrs. Higgins
Frederick Worlock
as Dr. Heath
William Tannen
as Intern Fenwick
Frances Robinson
as Marcia
