Attended New York University as a University Scholar; became interested in acting during his junior year
Acted in the theatre groups Ma-Yi and New Perspectives
First big-screen role was in Todd Solondz's dark comedy Welcome to the Dollhouse (1995)
Made his Broadway debut in 2002 as Ching Ho in the Tony Award-winning play Thoroughly Modern Millie
Producer Damon Lindelof was so impressed by Leung's performance on an episode of The Sopranos that he created the role of Miles Straume on Lost specifically for him