Kurt Ingston, a rich recluse, invites the doctors who left him a hopeless cripple to his desolate mansion in the swamps as one by one they meet horrible deaths.
Ralph Morgan
as Kurt Ingston
Don Porter
as Dick Baldwin
Irene Hervey
as Dr. Lynn Harper
Fay Helm
as Margaret Ingston
Nils Asther
as Agor Singh
Doris Lloyd
as Sarah Judd
Leif Erickson
as Laurie
Robert Homans
as 'Cap' Beggs
Lionel Atwill
as Dr. King
Frank Reicher
as Dr. Timmons
Francis Pierlot
as Dr. Phipps
Bela Lugosi
as Rolf
