Mary Clare

Character: Mrs Pym

Nigel Patrick

Character: Richard Lodden

Irene Handl

Character: Miss Bell

Edward Lexy

Character: Det-Inspector Shott

Janet Johnson

Character: Maraday Wood

Anthony Ireland

Character: Henry Mencken

Robert English

Character: Commissioner of Police

Arthur Ridley

Character: Divisional Surgeon

Vernon Kelso

Character: Frank Wood

Lionel Dymoke

Character: Assistant Commissioner

Ben Williams

Character: Detective-Constable

Arthur E. Owen

Character: Hall Porter

Jack Jameson

Character: Clerk from Criminal Record Office

Joan Halladay

Character: Eliza Puttick