Other Broadway credits include The Boy from Oz and La Cage aux Folles; his performance in Kiss Me, Kate earned him Drama Desk and Tony Award nominations.

[4] Mulheren appeared in the Broadway run of Aaron Sorkin's The Farnsworth Invention, as well as in Matthew Lombardo's Looped.

[6] Mulheren's most recent Broadway role has been in 2016 as Mayor Dobbs in Steve Martin and Edie Brickell's Bright Star.

[7] Mulheren has guest-starred on several TV shows including Royal Pains, White Collar, Rescue Me (playing Chief Perolli), Law & Order, 30 Rock, The West Wing, and Lipstick Jungle.

He has also appeared in the films Fool’s Gold, Invincible, Bringing Out the Dead, and The Curse of the Jade Scorpion, among others.