Warner Baxter
Dr. Robert Ordway
Ellen Drew
Irene Cotter / Natalie Cotter
William Frawley
Police Inspector Harry B. Manning
Frank Sully
Henchman 'Rigger'
Claire Carleton
Ruby Farrell
Bernard Nedell
Waldo (as Bernerd Nedell)
Francis Pierlot
Gerald Cotter
Olin Howland
Marcus Le Blaine
Ivan Triesault
Alfredi
Wanda Perry
Miss White (uncredited)