United States
Plot: Military training film, narrated by David Niven during his time away from Hollywood to serve in the Army, and produced to instruct British troops in the history of their American allies.
David Niven. David Niven was 34 in United States as 'Narrator (voice)'.
Leslie Dwyer. Leslie Dwyer was 37 in United States as 'British soldier'.
Eric Ambler. Eric Ambler was 35 in United States as 'Director, Writer'
Reginald Mills. Reginald Mills was 32 in United States as 'Editor'
Alan Rawsthorne. Alan Rawsthorne was 39 in United States as 'Music'