Peter Ostrum: Peter Ostrum. Actor: Willy Wonka & the Chocolate Factory. Peter Ostrum was born on 1 November 1957 in Dallas, Texas, USA. He is an actor, known for Willy Wonka & the Chocolate Factory (1971), Sicko (2007) and Remembering Gene Wilder (2023). He has been married to Loretta Lepkowski since 1987. They have two children.