Third and last film that features Bourvil and Terry-Thomas after La Grande Vadrouille (1966) and Those Daring Young Men in Their Jaunty Jalopies (1969).
The actor who played Field Marshal Rommel did actually served under the real Erwin Rommel as his Aide de Camp during World War II.
The film was the second most popular movie in France in 1970, after The Gendarme Takes Off.