Warner Baxter as Dr. Robert Ordway

Ellen Drew as Irene Cotter / Natalie Cotter

William Frawley as Police Inspector Harry B. Manning

Frank Sully as Henchman 'Rigger'

Claire Carleton as Ruby Farrell

Bernard Nedell as Waldo (as Bernerd Nedell)

Jack Lee as Police Sgt. Bradley

Francis Pierlot as Gerald Cotter

Olin Howland as Marcus Le Blaine

Ivan Triesault as Alfredi

Wanda Perry as Miss White (uncredited)