Dr. Robert Ordway

Warner Baxter

Acting

Irene Cotter / Natalie Cotter

Ellen Drew

Acting

Police Inspector Harry B. Manning

William Frawley

Acting

Henchman 'Rigger'

Frank Sully

Acting

Ruby Farrell

Claire Carleton

Acting

Waldo (as Bernerd Nedell)

Bernard Nedell

Acting

Police Sgt. Bradley

Jack Lee

Acting

Gerald Cotter

Francis Pierlot

Acting

Marcus Le Blaine

Olin Howland

Acting

Alfredi

Ivan Triesault

Acting

Miss White (uncredited)

Wanda Perry

Acting