Don Ameche
— 'Mitch' Mitchell
Joan Bennett
— Jennifer Carson
Roddy McDowall
— Albert Perkins
John Loder
— Captain Lionel Channing
Raymond Walburn
— H. Cyrus Stuyvesant
Arthur Shields
— Jeff, Blind Typist
Eric Blore
— Mr. Hobbs, Regency Hotel
Helene Reynolds
— Dorothy
Claud Allister
— William (scenes deleted)
Roseanne Murray
— Ministry of Information Girl
Stuart Robertson
— Johnny Dunne, Consolidated Press Operations Manager
Queenie Leonard
— Daisy, Consolidated Press Switchboard Operator
Jean Prescott
— Elizabeth Harding
Billy Bevan
— Mr. Bindle
Lumsden Hare
— Sir Titus Scott, Penzance Chronicle
Dennis Hoey
— Duffield, Ministry of Information
Leonard Carey
— Sidney
Cyril Delevanti
— Bellhop (scenes deleted)
Alan Napier
— Updyke (scenes deleted)
Hilda Vaughn
— Receptionist (scenes deleted)
Sam Balter
— Berlin Correspondent (voice) (uncredited)
Ted Billings
— Air Raid Refugee in Subway Crowd
Walter Byron
— Minor Role
Bruce Cameron
— Acrobat
David Cavendish
— Headwaiter
Larry Dods
— Minor Role
David Dunbar
— Workman
Alexander Gillison
— Air Raid Warden
Colin Kenny
— Minor Role
Jack Luden
— Newsman