The Crime Doctor gets involved in the case of the poisoning of a wealthy industrialist.
Dr. Robert Ordway
Ellen Trotter
Mrs. Keppler / Evelyn Fenton Cartwright
Detective Rief
Mallory Cartwright
Paul Ashley
Mrs. Diana Burns
Patricia Cornwall
Jimmy Trotter
Betty Watson
Addison Burns
Dr. Carter
Detective Yarnell
Walter Burns
Mr. George H. Fenton
