Boxing champion Jake LaMotta has a cameo as a bartender in THE HUSTLER (1961).
Martin Scorsese later directed LaMotta’s life story in RAGING BULL and the sequel to THE HUSTLER, THE COLOR OF MONEY.
Joe Frazier wishing Carl Weathers luck in ROCKY (1976).The character of Apollo Creed was influenced by outspoken boxer Muhammad Ali who fought Frazier three times.
In THE INCREDIBLE HULK (2008) Rickson Gracie has a small role as Bruce Banner’s martial arts instructor, despite his Brazilian Jiu-Jitsu background, he is credited as an Aikido instructor.Gracie is a Brazilian 8th degree black and red belt in Brazilian Jiu-Jitsu and a retired mixed martial artist. He is also a member of the Gracie family, a prominent sporting family from Brazil known for their founding of Brazilian Jiu-Jitsu (BJJ). They have been successful in combat sport competitions including mixed martial arts, vale tudo and submission wrestling events. As a family, they uphold the Gracie challenge, which promotes their style of BJJ. The Gracie family line in Brazil descended from George Gracie, a Scotsman from Dumfriesshire who immigrated in 1826 when he was 25 years old.
In THE FIGHTER (2010) Mark Wahlberg gets congratulations from “himself”, former Welter-weight champion Micky Ward. The guy on the right is Chuck Zito, amateur boxer, martial artist, celebrity bodyguard, stuntman, former boxing trainer and former president of the New York chapter of the Hells Angels, but best remembered as the guy who punched out Jean Claude Van Damme in a bar.