Jack Hawkins as Group Captain 'Tiger' Small

Michael Denison as Squadron Leader Peter Moon

John Gregson as Pilot Officer T.B. 'Septic' Baird

Cyril Raymond as Squadron Leader Barry Clinton

Veronica Hurst as Betty Carfax

Harold Goodwin as A.C. 2 Wailes

Geoffrey Keen as Company Sergeant Major

Philip Stainton as Police Constable

Vida Hope as W.A.A.F.

Amy Veness as Aunt Tabitha

Ronald Adam as Group Controller

Humphrey Lestocq as Flight Lieutenant 'Batchy' Salter

Andrew Osborn as Squadron Leader Bill Ponsford

Dulcie Gray as Nadine Clinton

Harry Locke as Look Out

Norman Pierce as 'Bonzo'

Peter Jones as Sentry

Russell Hunter as Pimpernel Pilot

Victor Maddern as Airman

Harry Fowler as Airman

Sam Kydd as Mess Waiter

Marianne Stone as W.A.A.F

John Barry as Jacko, Pimpernel Pilot

Richard Dunn as Pimpernel Pilot

Elwyn Daniel as Pimpernel Pilot

Douglas Hurn as P.O. Tony Raines, Pimpernel Pilot

Richard Levin as Pimpernel Pilot

Terence Longdon as Falk, Pimpernel Pilot

Donald McLisky as Pimpernel Pilot

Bryn Roberts as Pimpernel Pilot

Harold Siddons as Mortimer, Pimpernel Pilot

Anthony Moore as Squadron Leader Marlow

Gordon Bell as Ops. B.

W. Thorp Deverreux as Sergeant

Neil Wilson as Army Liaison Officer

Rosemary Lomax as Ops. A.

Vida Hope as W.A.A.F

Marianne Stone as W.A.A.F.

Josephine Douglas as W.A.A.F.

Gillian Maude as W.A.A.F.

Freda Bamford as W.A.A.F.

Vari Falconer as W.A.A.F.

Karen Grayson as W.A.A.F.

Ann Lancaster as W.A.A.F.

Joan Sterndale-Bennett as W.A.A.F.

Helen Stirling as W.A.A.F.

Wendy Remington as W.A.A.F.

Colin Tapley as Adjutant

John Sharp as 'Soss'

Ewan Roberts as Medical Officer

Hugh Moxey as Intelligence Officer

John Phillips as Engineer Officer

John Harvey as Station Warrant Officer

Russell Waters as Airman

Warwick Ashton as Airman in Ops Room (Uncredited)

Jack Dearlove as Flight Controller (Uncredited)

Otto Friese as Mess Waiter (Uncredited)

Victor Harrington as Airman in Officers Club (Uncredited)

Joan Hickson as Housekeeper (Uncredited)

Joe Phelps as Casey (Uncredited)

Ambrosine Phillpotts as Mrs. Falk (Uncredited)

Harold Sanderson as Guard with Wailes (Uncredited)

John Wilder as Airman (Uncredited)