THE SECRET PLOT TO KILL HITLER
Discovery Channel -Special Effects Stills, 2D Designs/Photomontage and Specialist Photography
Directed by David McNab, Produced by Dunja Noack IMDB link

Emmy winner Royal Television Society winner
The first frame is the original image supplied by the producers - the last is the finished image included in the final film. All the figures (except Goebbels) are actors specially shot in a studio.