Harry Andrews

Senior Civil Servant

Michael Caine

Squadron Leader Canfield

Trevor Howard

Air Vice Marshal Keith Park

Curd Jürgens

Baron von Richter

Ian McShane

Sgt. Pilot Andy

Kenneth More

Group Capt. Baker

Laurence Olivier

Air Chief Marshal Sir Hugh Dowding

Nigel Patrick

Group Capt. Hope

Christopher Plummer

Squadron Leader Colin Harvey

Michael Redgrave

Air Vice Marshal Evill

Ralph Richardson

Sir David Kelly - British Minister to Switzerland

Robert Shaw

Squadron Leader Skipper