During the early rescue scene in Furiosa (2024), Fang snatched the gun from Mr Harley to fire it at Furiosa and her mom. This demonstrates that Mr Harley has always been sympathetic towards her, not just at the end, even though he’s a very small character

George Foreman’s stats listed in The Naked Gun 2½ (1991) credits right after the film’s actual foremen - Foreman has no actual connection to the series

Psycho (1998): Credits thank John Woo for his kitchen knife

I assume there is a fun story about it and probably what the prop in the movie is based on? I don’t know. I noticed it though and it made me smirk!