Simon Lack

as Zadek

as Pamphilius

as John Bott

as Thomas Whamond

as Professor Kettering

as Colonel Vickers

as Mr. Parker

as Endell's Q.C.

as Peter Tolchard

as Menteith

as Dragoon Corporal

as Roland Farley

as Fl/Lt Baldwin

as Major Wilson

as Navigator

as Self - Commentator

as Reporter

as Julie's Friend at Fairground (uncredited)

as Captain Miles Standish

as Emlyn Parry

as Robert Brown

as Philip Hyde

as Wainwright (uncredited)

as Roy Allen, Brother of Man to be Executed (Uncredited)

as Major Freidel

as Zhukovsky

as Colonel Andreyev

as Andrew Campbell

as Andrew Seton

as British Major

as Professor Kettering

as Control officer

as Paul

as Salter

as Nesbitt