Joel Gretsch: Joel Gretsch. Actor: Push. Joel Gretsch was born on 20 December 1963 in St. Cloud, Minnesota, USA. He is an actor and director, known for Push (2009), Minority Report (2002) and National Treasure: Book of Secrets (2007). He has been married to Melanie Shatner since 5 September 1999. They have two children.