John Sutton
Wing Commander Morley
Reginald Gardiner
Roger Pillby
Donald Stuart
Corporal Harry Baker
Denis Greene
Flight Lt. Redmond
Bruce Lester
Flight Lt. Sterling Richardson
Lester Matthews
Group Captain
Frederick Worlock
Canadian Major
Ethel Griffies
Lady Fitzhugh
Morton Lowry
Squadron Leader Macbeth
Fortunio Bonanova
Louie - Headwaiter
G.P. Huntley
Radio Operator
Stuart Robertson
Intelligence Officer
Dennis Hoey
Intelligence Officer
John Burton
Captain (uncredited)
Claud Allister
Officer-Motorist (uncredited)
Howard Davies
Air Raid Warden (uncredited)
Russell Burroughs
Pilot (uncredited)