The Strange Case of Doctor Rx

Samuel S. Hinds

Dudley Crispin

Mona Barrie

Eileen Crispin

Shemp Howard

Det. Sgt. Sweeney

Paul Cavanagh

John Crispin

Edmund MacDonald

Det. Capt. Bill Hurd

John Gallaudet

Ernie Paul

William Gould

Dist. Atty. Mason

Leyland Hodgson

Thomas, the butler