Complex sentence: In 2006, he was a part of the original cast for The Wedding Singer, in which he understudied the roles of Sammy, Robbie Hart, played by Stephen Lynch, and Glen Guglia, played by Richard H. Blake.
Split into simpler sentences: In 2006, he was a part of the original cast for The Wedding Singer. He understudied the roles of Sammy, Robbie Hart, played by Stephen Lynch, and Glen Guglia, played by Richard H. Blake.