The Studio Murder Mystery

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

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Donald MacKenzie

Captain Coffin

Gardner James

Ted MacDonald

Eugene Pallette

Detective Lieutenant Dirk

E.H. Calvert

R.C. Grant

Mischa Auer

Grant's Secretary