Kevin Sussman is an American actor and comedian. He played Walter on the ABC comedy-drama Ugly Betty and Stuart Bloom on the CBS sitcom The Big Bang Theory. Starting with the sixth season of The Big Bang Theory, he was promoted to a series regular.

Ugly Betty is an American comedy-drama television series developed by Silvio Horta that aired on ABC from September 28, 2006, to April 14, 2010. The series is based on Fernando Gaitán's Colombian telenovela Yo soy Betty, la fea, which has had many other international adaptations. It revolves the character Betty Suarez, who – despite her lack of style – lands a job at a prestigious fashion magazine. It was produced by Silent H, Ventanarosa, and Reveille Productions partnered with ABC Studios, with Salma Hayek, Horta, Ben Silverman, Jose Tamez, and Joel Fields serving as executive producers. The pilot was filmed in New York City; seasons one and two were filmed in Los Angeles and seasons three and four were filmed in New York City.