Made his Broadway debut in the 2000 revival of Rocky Horror Picture Show, playing Riff Raff
Took over the role of Master of Ceremonies in the Broadway production of Cabaret in 2001; played opposite both Gina Gershon and Molly Ringwald as Sally Bowles
Famously called out castmate Jeremy Piven for his unprofessional antics during a live performance of David Mamet's Speed-the-Plow in 2008
With his 2009 Tony nomination for Speed-the-Plow, he became only the second performer to be nominated in all four Tony acting categories
Has narrated a number of audio books, including The House of the Scorpion by Nancy Farmer