Alibi

Margaret Lockwood

Helene Ardouin

Hugh Sinclair

Inspector Calas

詹姆斯·梅森

Andre Laurent

Raymond Lovell

Prof. Winkler

罗德尼·阿克兰

Winker's Assistant

Enid Stamp-Taylor

Dany

哈特利·鲍尔

Gordon

Jane Carr

Delia

Edana Romney

Winkler's Assistant