Complex sentence: Karen Jane Allen (born October 5,1951) is an American actress best known for her role as Marion Ravenwood in "Raiders of the Lost Ark" (1981) and "Indiana Jones and the Kingdom of the Crystal Skull" (2008).
Split into simpler sentences: Karen Jane Allen (born October 5,1951) is an American actress. She played Marion Ravenwood in "Raiders of the Lost Ark" (1981) and "Indiana Jones and the Kingdom of the Crystal Skull" (2008).