Doc's Dog

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