크레딧 출연 Richard Dix John Sinclair / John Carter Lynn Merrick Joan Martin Sinclair Rhys Williams Ernie Sparrow James Cardwell Fred (Doc) Graham Tom Kennedy Ferdinand / Hammerlock Sam Ash Gibson Motor Car Co. Executive (uncredited) Egon Brecher Dr. Rose (replaced by Frank Reicher) (uncredited) Charles Coleman Sinclair's Butler (uncredited) Otto Forrest The Whistler (uncredited) Byron Foulger Georgie (uncredited) Martín Garralaga Tony, Fruit Peddler (uncredited) John Hamilton Doctor (uncredited) Stuart Holmes Sinclair Executive (uncredited) Wilbur Mack Sinclair Executive (uncredited) Charles Marsh Sinclair Executive (uncredited) Harold Miller Sinclair Executive (uncredited) Forbes Murray Sinclair Executive (uncredited) Gigi Perreau Bobbie (uncredited) Frank Reicher Dr. Rose (uncredited) Clinton Rosemond Train Porter (uncredited) Frank J. Scannell Druggist (uncredited) Minerva Urecal Georgie's Wife (uncredited) Robert B. Williams Pharmacist (uncredited) Douglas Wood Paul Kitridge - Attorney (uncredited) 스텝 윌리엄 캐슬 Directing 윌리엄 캐슬 Writing Wilfred H. Petitt Writing Allan Radar Writing Rudolph C. Flothow Production Mario Castelnuovo-Tedesco Sound George Meehan Camera Dwight Caldwell Editing Chris Beute Directing Jack A. Goodrich Sound