Geoffrey Barrie

饰：Det. Sgt. Farrow

Joyce Chancellor

饰：Mrs. Carter

Betty Henderson

饰：Mrs. MacPherson

Emrys Jones

饰：Dr. Norman Bancroft

Gladys Boot

饰：Mrs. Penrose

Alec Finter

饰：President of the British Medical Council

厄休拉·豪威尔斯

Ursula Howells

饰：Enid Lane

米里亚姆·卡琳

Miriam Karlin

饰：Miriam Bell

布莱恩·怀尔德

Brian Wilde

饰：Det. Insp. Peters