Neil Hamilton
Tony White
Doris Hill
Helen MacDonald
Warner Oland
Rupert Borka
Fredric March
Richard Hardell
Chester Conklin
George (Studio Gateman)
Florence Eldridge
Blanche Hardell
Guy Oliver
Hank MacDonald - the Studio Watchman
Donald MacKenzie
Captain Coffin
Gardner James
Ted MacDonald
Eugene Pallette
Detective Lieutenant Dirk
E.H. Calvert
R.C. Grant
Mischa Auer
Grant's Secretary