Richard Arlen
as Edward Parker
George Irving
as The Consul
Charles Laughton
as Dr. Moreau
Bela Lugosi
as Sayer of the Law
Paul Hurst
as Captain Donahue
Tetsu Komai
as M'ling
Leila Hyams
as Ruth Thomas
Stanley Fields
as Captain Davies
Arthur Hohl
as Mr. Montgomery
Kathleen Burke
as The Panther Woman - Lota
Hans Steinke
as Ouran