The Sud Aviation Alloutte 2 helicopter was G-FILM, provided by Alan Mann Helicopters, Fairoaks Aerodrome, Surrey, who often supplied helicopters for The Professionals. Sadly G-FILM was destroyed not long after.
When Major Freddy Nairn asks about Bodie toeing the line, and George speaks of Bodie's exuberance, the other Major says, "I know all about that young man", but as a matter of fact, James Faulkner, who plays Nairn is over two years younger than the late Lewis Collins, who played Bodie.