Stephen Fry
— Wing Commander James Forrester
Nicholas Lyndhurst
— 'Chump' Cosgrove
Geoffrey Palmer
— The Kommandant
Sam Kelly
— Adolf Hitler
Hugh Bonneville
— Sqdn. Ldr. Barton (as Richard Bonneville)
David Bamber
— The Prof
Marston Bloom
— 'Einstein' Price Egerton
Todd Boyce
— 'Owly' Morrison
Roger Hyams
— 'Izzy' Levinson
Benedick Blythe
— Oberst von Steffenberg
Simon Donald
— 'Haggis' Barrington
Tim McMullan
— Donaldson
Henry Webster
— Holmes
Pavel Bavolets
— Stefan
Steffan Boje
— Smithers
Sarah Buckley
— Eva Braun
Carl Duering
— First Ferret
Michael Mellinger
— Second Ferret
John Pirkis
— Tank Officer (as John Duvall)