The Crime Doctor gets involved in the case of the poisoning of a wealthy industrialist.
Warner Baxter
as Dr. Robert Ordway
Lynn Merrick
as Ellen Trotter
Gloria Dickson
as Mrs. Keppler / Evelyn Fenton Cartwright
Barton MacLane
as Detective Rief
Jerome Cowan
as Mallory Cartwright
Reginald Denny
as Paul Ashley
Rose Hobart
as Mrs. Diana Burns
Virginia Brissac
as Patricia Cornwall
Lloyd Bridges
as Jimmy Trotter
Constance Worth
as Betty Watson
Sam Flint
as Addison Burns
Creighton Hale
as Dr. Carter
