Mickey Rooney was a teenager signed to MGM in the '30s and '40s who made a few movies with Judy Garland, the Andy Hardy movies, and Boys Town with Spencer Tracey. He joined the service in 1944, and won a Bronze Star for entertaining troops in combat zones. After the war, he was cast in some short lived TV shows, a then became a character and voice actor. Kids in the '70s would know him as the voice of Santa Claus in several Rankin-Bass holiday specials. In the early '90s he was cast in the Family Channel's Adventures of the Black Stallion. He won an Emmy and a Golden Globe for his role as a mentally challenged man in the 1981 TV movie Bill.
Paul Peterson is best known for his role as Donna Reed's son Jeff Stone on the Donna Reed Show, and later had a recurring role as a cop on Matt Houston. After the suicide of former child actor Rusty Hamer in 1990, Peterson began an advocacy group to help improve working conditions for child actors and to help their transition into adult life.
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Rosalind Chao (1957-) is best remembered for playing Klinger's bride Soon-Lee in the last season of MASH and it's short lived sequel After MASH, and a Chief O'Brien's (Colm Meany) wife Keiko on Star Trek:The Next Generation and Deep Space Nine. She's been in many TV Shows and movies as various Asian nationalities (she is actually Chinese American), including the 1991 Western A Thousand Pieces of Gold with Lonesome Dove's Chris Cooper.