- Lou Ferrigno was uncredited for his work in Avengers: Age of Ultron.
- While it was initially reported that Ferrigno provided vocal effects for Hulk Thor: Ragnarok, Mark Ruffalo has since confirmed that he had done the vocal effects and would continue to do so in future films. Ferrigno was also spotted posing with Tom Hiddleston on set in a costume for a possible cameo that was presumably cut from the film.
- Lou Ferrigno is the father of Lou Ferrigno Jr..
- Lou Ferrigno also portrayed Hulk in the TV series The Incredible Hulk, that was followed by three TV movies.
- Lou Ferrigno also voiced Hulk in the TV animated series The Incredible Hulk, alongside Neal McDonough as Bruce Banner.
- Lou Ferrigno also appeared in a cameo as a Security Guard in Hulk alongside Stan Lee, who also played a security guard.