And Jake Gyllenhaal and his sister, Maggie, played Donnie and Elizabeth Darko in Donnie Darko.
Richard Kelly, the film's director, had to convince Maggie that they weren't offering her the part just because she was Jake's big sister. He said, " She was already trying to talk me out of casting her, in a very selfless way. And I was just really impressed by that, and by how strong-willed and determined [she was]."
#2 They also appeared in Inkheart as husband and wife.
#8 Rumer also played Demi Moore's daughter in the movie Striptease.
#10 They also played the older and younger versions of one character in the
movie, Evening.
No nepotism in Hollywood! lol