Secret Flight

Ralph Richardson (Prof. Heatherville)Raymond Huntley (Prof. Laxton-Jones)John Laurie (Dr. McVitie)Ernest Jay (Dr. Dainty)David Tomlinson (Mr. Watlington)Finlay Currie (Sir Duncan Wills)Norman Webb (Dr. Wainwright)Michael Hordern (Lt. Cmdr. Lowther)Pamela Matthews (Mrs. Watlington)Joan Haythorne (Mrs. Laxton-Jones)Joan Young (Mrs. McVitie)Ann Wilton (Mrs. Dainty)Richard Attenborough (Jack Arnold)David Hutcheson (Squadron Leader Sowerby)Patrick Waddington (Group Capt. Aspinall)Cyril Smith (Flight Sgt. Cox)James Hayter (Warrant Officer)D. Bradley Smith (Air Marshal Cotter)