Mark L. Walberg has been an American television personality for decades.  Mark is best known as the long-time host of Antiques Roadshow – PBS’s highest-rated, prime-time original program.   He has hosted and been featured in an array of popular talk, reality competition, and game shows, including the FOX hit The Moment of Truth. He also has hosted home improvement competitions The Mansion and House Rules, knowledge quiz shows Test the Nation and Russian Roulette, the California state lottery program Make Me A Millionaire.  Mark can be seen currently as host of the USA Network’s Temptation Island.