Originally intended as a TV movie named "The Protectors", but released theatrically with this new name.
This was Diana Lynn's last film.
According to his book (Self-Amused, released 2021), Peter Funt, host of Candid Camera and son of Candid Camera creator Alan Funt, worked on this movie as a stand-in and a double for actor John Saxon. He also appeared as an extra in a couple of scenes.