Fearless the Dog

as Fearless

Dick Hatton

as J. Nelson Summers M.D.

Joan Meredith

as Alice Boyd

Milburn Morante

as Constable Tibby

Jack Waltemeyer

as Tom Rance - Promoter and Profiteer

Agnes Aker

as Mrs. Boyd - Alice's Mother

William Jenson

as Rance's Henchman