John Derrick

饰：Sergeant Wells (Scotland Yard)

Geoffrey Bond

饰：Police Sergeant (Walsham Bay)

娜塔莎·帕里

Natasha Parry

饰：Molly Lester

威廉·哈特奈尔

William Hartnell

饰：Superintendent of Police

Ernest Haines

饰：Mostyn

艾华·翁德道

Edward Underdown

饰：Detective Inspector Viner

马克斯韦尔·里德

Maxwell Reed

饰：The Dark Man

芭芭拉·默里

Barbara Murray

饰：Carol Burns

Cyril Smith

饰：Samuel Denny

Leonard White

饰：Detective Sergeant Evans

Walter Horsbrugh

Walter Horsbrugh

饰：Commander - Scotland Yard

Denis Webb

饰：Detective - Scotland Yard

Gerald Anderson

饰：Inspector - Walsham Bay

Geoffrey Sumner

饰：Major

山姆·基德

Sam Kydd

饰：Sergeant Major

David Keir

饰：Hotel Porter

Harry Fowler

饰：1st Reporter

Gordon Littmann

饰：2nd Taxi Driver,(as Gordon Littman)

Norman Claridge

饰：Hospital Doctor

埃文·索伦

Ewen Solon

饰：Police Driver

Digby Wolfe

饰：Young Man at Party

John Singer

饰：Captain

Grace Denbeigh-Russell

饰：Hotel Proprietress

Betty Cooper

Betty Cooper

饰：Carol's Mother

奥斯卡·奎塔克

Oscar Quitak

饰：2nd Reporter

John Hewer

饰：1st Taxi Driver

Doris Yorke

Doris Yorke

饰：Cafe Proprietress

Fred Johnson

饰：Hospital Porter

Duggie Ascot

Duggie Ascot

饰：Property Man (Theatre)

Howard Douglas

饰：Man on Beach

达芙妮·安德森

Daphne Anderson

饰：Fisherwoman

Carol Olver

饰：Small Girl