Mark L. Walberg. Producer: Buried History with Mark Walberg. Mark L. Walberg was born on 31 August 1962 in Florence, South Carolina, USA. He is an actor and producer, known for Buried History with Mark Walberg (2015), Son of the Beach (2000) and Jogo do Amor (2004). He has been married to Robbi Morgan since 16 August 1987. They have two children.