Simon Lack

Air Chief Marshal Sir Trafford Leigh-Mallory (uncredited)

Professor Kettering / Zadek

Nesbitt

Wainwright (uncredited)

Zhukovsky

Salter / Craddock

Colonel Vickers

Dragoon Corporal

Emlyn Parry

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

Navigator

Professor Kettering

Andrew Campbell

Endell's Q.C.

British Major / Alfred Lockhart

Fl/Lt Baldwin

Colonel Andreyev

Zadek

Andrew Seton

Reporter

Major Freidel

Philip Hyde

Control officer

Roland Farley

Self - Commentator