Gail Newbury

饰：Mimi the Policewoman [Chs. 2-4, 9-11]

Ralph Byrd

饰：Dr. Jerry Sheehan

赫伯特罗林森

Herbert Rawlinson

饰：Sir James Blake

Joan Barclay

饰：Hope Mason

劳埃德·休斯

Lloyd Hughes

饰：Dr. Marshall, `The Scorpion`

迪克•琼斯

Dickie Jones

饰：Bobby Mason

Lucille Lund

饰：Duchess [Chs. 1-6, 14]

Nick Stuart

饰：Julot [Chs. 2-4, 9-10, 14]

萨姆·弗林特

Sam Flint

饰：Chief Insp. Henderson

Jimmy Aubrey

饰：The Hag

Theodore Lorch

饰：Daggett, the Butler

乔治德诺尔芒迪

George DeNormand

饰：Henchman Pedro [Chs. 1-7, 14]

Bob Terry

饰：Henchman Peyton

William Farrel

William Farrel

饰：Count Basil Segaloff

Frank Wayne

Frank Wayne

饰：Charles, the Footman

John Bagni

饰：演员 Actor/Actress

乔治·莫雷尔

George Morrell

约翰·哈伦

John Harron

Henry Hall

饰：演员 Actor/Actress

John Elliott

饰：演员 Actor/Actress

维克托·亚当森

Victor Adamson

布鲁斯·班尼特

Bruce Bennett

迪克·柯蒂斯

Dick Curtis