导演

Frank R. Strayer

编剧

Charles Belden

Frederick Stephani

演员

Conway Tearle

饰  Insp. Decker Dawes

Natalie Moorhead

饰  Carol Manning

Raymond Hatton

饰  Det. Sgt. Meade

诺尔·弗兰西丝

Noel Francis

饰  Ruby Cotton

约翰·雷

John Wray

饰  Jason Getty

Margaret Dumont

饰  Sybilla Crum

Ralf Harolde

饰  The Electric Voice

Oscar Apfel

饰  Dist. Atty. Kerry

Robert Frazer

饰  Chemist

Harry Bradley

饰  Davis - Hotel Manage

Lew Kelly

饰  Connelly - Hotel Det

Clarence Brown

饰  Head PorterSlickem)

Alex Polette

饰  Thompson

Almeda Fowler

饰  Nurse

Dickie Moore

饰  Young Boy

Sidney Bracey

饰  The Butler

Lynton Brent

饰  Reporter

John Elliott

饰  Doctor

Hal Price

饰  Detective

摄影

M.A. Anderson

音效

L.E. Clark

Abe Meyer

艺术指导

Edward C. Jewell

副导演/助理导演

Melville Shyer

剪辑

Roland D. Reed