Eccentric Cambridge archaeologist Horatio Smith takes a group of British and American archaeology students to pre-war Nazi Germany to help in his excavations. His research is supported by the Nazis, since he professes to be looking for evidence of the Aryan origins of German civilisation. However, he has a secret agenda: to free inmates of the concentration camps.

Leslie Howard
as Professor Horatio Smith

Francis L. Sullivan
as General von Graum

Mary Morris
as Ludmilla Koslowski

Hugh McDermott
as David Maxwell

Raymond Huntley
as Marx

Manning Whiley
as Bertie Gregson

Peter Gawthorne
as Sidimir Koslowski

Allan Jeayes
as Dr Benckendorf

Dennis Arundell
as Hoffman

Joan Kemp-Welch
as School-Teacher
CinemaSerf
Leslie Howard is on good form here as the outwardly fastidious academic with a secret to keep. He decides to offer some of his students an holiday trip to Germany (just the boys!) so they can try to establish once and for all whether there was an "Aryan" race there. Quickly we discover he also has a...