Ella Raines as Noel Faraday

Edmond O'Brien as Bob Regan

William Bendix as Lt. Damico

Vincent Price as Andrew Colby

Maria Palmer as Martha Kroner

John Abbott as Charles Murdock

Fritz Leiber as Leopold Kroner

Howland Chamberlain as James Nolan (as Howard Chamberlin)

Tito Vuolo as Emilio Canepa

Wilton Graff as District Attorney

Robin Raymond as Newspaper Librarian

Patricia Alphin as Secretary