Capt. David Grant

Robert Newton

Paul Faber

Raymond Lovell

Capt. Tony Hunter

Guy Middleton

Marion Decker

Muriel Pavlow

Keitel

Herbert Lom

Bowman

John Ruddock

Professor Hansen

Martin Miller

Lily Leggett

Brenda Bruce

Inspector Emerson

Gerald Case

Lieut. Allen (as Julian Dallas)

Scott Forbes

George Leggett

Leslie Dwyer

Sir George Bell

Valentine Dyall

Naval Surgeon

Derek Elphinstone

Hood

Bruce Gordon

Frederick Jannings

Marius Goring

Station Official

George Hirste

Ticket Collector

Hubert Leslie

Mrs. Coleman

Olga Lindo

Inspector Martin

Stuart Lindsell

Inspector Longhurst

Gordon McLeod

Sidney Vane

Joan Maude

Captain Robert Wilson

Lawrence O'Madden

Station Master

Hay Petrie

Taxi Driver

Wilfrid Hyde-White

Hotel Porter (uncredited)

Howard Douglas

Factory Watchman (uncredited)

Johnnie Schofield

Young Newlywed (uncredited)

John Stone