Pat Morita (Mr. Miyagi from The Karate Kid) spent most of his early years in hospitals, where he was told he would never walk. Following surgery at age 11, he learned to walk; as soon as he walked out of the hospital, an FBI agent escorted him to his family… in an internment camp.
Johnny Weissmuller, famous for his role as Tarzan, was playing golf in Cuba during the Revolution when he was surrounded by a group of rebels. He immediately gave his trademark Tarzan yell. The soldiers recognized it and were so delighted to meet… Tarzan that they escorted him to a safe area.
Actors usually snort powdered lactose on set and if they’re lactose-intolerant, then vitamin B powder, when they shoot a scene in which their character snorts cocaine.
Alec Guinness, the actor who played Obi-wan Kenobi, despised Star Wars calling it “fairy tale rubbish.” Regardless, he was one of the few cast members who believed the film would be a hit and negotiated a deal for 2% of the gross royalties paid to George Lucas. This made him a very rich man.
Samuel L. Jackson was a member of the Black Panthers party and once took several employees hostage at a university with other Party members.
The woman Jack Nicholson grew up believing to be his sister was actually his mother.
There is a species of spider named Calponia harrisonfordi and a species of ant named Pheidole harrisonfordi in honor of the actor’s work as a conservationist and environmentalist.