Operation Daybreak (also known as The Price of Freedom in the U.S. and Seven Men at Daybreak during production) is a 1975 war film based on the true story of Operation Anthropoid, the assassination of SS general Reinhard Heydrich in Prague. Starring Anthony Andrews, Timothy Bottoms and Martin Shaw, the film was directed by Lewis Gilbert and shot mostly on location in Prague. It is adapted from the book Seven Men at Daybreak by Alan Burgess.