马克斯韦尔·里德

Maxwell Reed

饰：Frank Smith

伊丽莎白·艾兰

Elizabeth Allan

饰：Dr. Phillipa Roberts

帕特里克·巴尔

Patrick Barr

饰：Dr. Geoffrey Allen

Russell Napier

饰：Insp. Durham

吉布·麦克劳克林

Gibb McLaughlin

饰：Spencer Simon

Neil Hallett

Neil Hallett

饰：Det. Supt. John Harris

比尔·纳吉

Bill Nagy

饰：Charlie, gym owner

Edwin Richfield

饰：Henry Arthur Ryan, thug

克利福德·巴克顿

Clifford Buckton

饰：Edward Jarritt, experimental subject

约翰·霍斯利

John Horsley

饰：Dr. Richards

唐纳德·比塞特

Donald Bisset

饰：Maj. Gifford, hospital superintendant

Thomas Gallagher

Thomas Gallagher

饰：Bates, plant foreman

万达·戈德塞尔

Vanda Godsell

饰：Mabel Smith

Cyril Smith

饰：Prison Warder

安东尼·瓦伦丁

Anthony Valentine

饰：Tony, the boy

Henry Webb

饰：Apartment Janitor

希尔达·巴里

Hilda Barry

饰：Mrs. Wright (Hospital Patient) (uncredited)

玛丽安·斯通

Marianne Stone

饰：Hospital Technician (uncredited)

Mark Bellamy

Mark Bellamy

饰：Louie, a gangster

Gwen Bacon

饰：Nurse-Matron

Joan Tyrrell

Joan Tyrrell

饰：Woman in Hallway

Dan Wilson

Dan Wilson

饰：Personnel Manager

Ian Wilson

Ian Wilson

饰：Personnel Manager,(as Dan Wilson)