Simon Lack

as Reporter

as Navigator

as Philip Hyde

as Thomas Whamond

as Emlyn Parry

as Fl/Lt Baldwin

as Professor Kettering

as Dragoon Corporal

as Wainwright (uncredited)

as Zadek

as Robert Brown

as Major Wilson

as Professor Kettering

as Zadek

as Zhukovsky

as Nesbitt

as Salter

as Craddock

as British Major

as Alfred Lockhart

as Andrew Campbell

as Control officer

as Andrew Seton

as Major Freidel