Ronald NeameDirector
Alec GuinnessMaj. Jock Sinclair, D.S.O., M.M.
John MillsLt. Col. Basil Barrow
Susannah YorkMorag Sinclair
Dennis PriceMaj. Charles 'Charlie' Scott, M.C.
John FraserCpl. Piper Ian Fraser
Allan CuthbertsonCapt. Eric Simpson
Kay WalshMary Titterington
Gordon JacksonCapt. Jimmy Cairns, M.C.
Duncan MacraePipe Maj. Duncan MacLean
Keith FaulknerCpl. Piper Adam
Peter McEnery2nd Lt. David MacKinnon
Paul Whitsun-JonesMaj. 'Dusty' Miller
Gerald HarperMaj. Hugo MacMillan
William MarloweLt. Rory
Richard RuddOne of the other officers
David WebbOne of the other officers