Adam Smith found this on Joe Rogan’s site. It is a podcast with “Judo” Gene LeBell.
JRE #423 – GENE LEBELL 12.02.13
#423. Gene LeBell is an American martial artist, instructor, stunt performer, and professional wrestler.
Gene LeBell has worked on over 1,000 films and TV shows and has authored a number of books.
There are a number of stories floating around about his encounters with other martial artists on different film sets.