Michael Sarrazin turned down the role of Joe Buck in Midnight Cowboy (1969) to take his role in this movie. When asked in an interview if he later regretted it, he said, "No. I don't believe in regret, and I got a free trip to Europe."
When first announced, this was to star Robert Redford and Faye Dunaway.
Most recent UK screening ITV late on a Friday in August 1975.