(Actor) was most recently as Thenardier in Les Misérables on Broadway. He has also been seen recently in Top Hat on the West End. He will next be seen as Squidward in SpongeBob SquarePants The Musical on Broadway starting in December. Gavin is best known for starring as Bert in the musical Mary Poppins on Broadway. He originated the role in the original West End production and then reprised the role on Broadway, in the launch of the US National Tour, and then returned to the Broadway production for the final 3 years before its closing. He received a Tony® Award, Drama Desk Award, and an Olivier Award nomination for the role. Television: Law & Order: SVU (Dennis Griscomb), The Good Wife (Jake Alister), Murdoch Mysteries (Young Horace), The Tonight Show with Conan O’Brien (Bert).