as Dr. Henry Jekyll / Mr. Edward Hyde
as Oscar Jaffe
as Georges Flammarion
as Baron Felix von Gaigern
as (archive footage)
as Professor Gibbs
as Prince Paul Chegodieff
as The Movie Villain (as Jack Barrymore)
as The Rejected Suitor (as Jack Barrymore)
as The Policeman (as Jack Barrymore)
as Si Hawkins (as Jack Barrymore)
as Jack Wilson (as Jack Barrymore)
as Fitzhugh
as Brooke Travers
as James Dukane
