Jack Gwillim

as Jonah

as Self (archive footage)

as Jill's father

as Van Helsing

as Artist

as Rustic

as Poseidon

as Lord Carmarthen

as General Byron

as General Sir Harold Alexander

as Senior Air Staff Officer

as Ardsley

as Admiral Sir Guy Lawrence

as Carrington

as Athos

as British Officer at Auction

as Chief Justice

as British ambassador

as Senior RAF Staff Officer

as Senior RAF Staff Officer (uncredited)

as Robert Lancaster

as Commander Ripple

as Sir Giles Dalrymple

as Bolton

as Sir Gervase Walworth

as Aeëtes

as Rolf Nelson

as District Commissioner

as Club Secretary

as Controller of Programmes

as Captain Grant

as Major Carter

as Superintendent Marsh

as Inspector Cobb

as Mr. Jepp

as Rupert Eynsham

as MP (uncredited)

as Sir David Harper

as Archbishop Hubert Walter

as Supt. Andrews

as Dr. Sanders

as Captain Wilfrid Patterson - 'King George V'

as John Richards

as Josiah

as Brigadier Ames

as Commandant, Grizedale

as Captain Parry - H.M.N. Z. S. Achilles

as Representative of Parliament (uncredited)