Brian Reece as Capt. Bill Harper

Margot Grahame as Wanda Sinclair

Raymond Huntley as Col. Fred Bellamy

Sid James as Ed Waggermeyer

Tony Hancock as Lt. Wilfred Cartroad

Peter Sellers as Pvt. Goffin

Clive Morton as Gen. Sir Cuthbert Grahame-Foxe

June Thorburn as Veronica Bellamy

Maureen Swanson as Joanne Delamere

Peter Martyn as Lt. John Broke

Bill Fraser as Pvt. Slee

Edward Lexy as Capt. Ledger

Barry MacKay as R.S.M. Benson

Donald Pleasence as Cpl. Martin (as Donald Plesance)

Eric Sykes as Pvt. Waterhouse

Michael Trubshawe as A.D.C.

Maureen Pryor as Miss Marigold

Donald Hewlett as Lincoln Green

Reginald Hearne as Sgt. Spurway