Nicholas appeared in ABC's sit-com Big Day with Stephen Tobolowsky, now a fellow actor on Heroes.
Nicholas is 6 feet (1.83 metres) tall.
Nicholas studied poverty and race in the Dominican Republic for a semester at his university.
Nicholas used to be a part of speech tournaments and improv classes in high school.
Nicholas believes that he will be cast as a full grown man when he is in his mid-thirties.
Nicholas has starred in two of CBS' unpicked pilots named The Rich Inner Life of Penelope Cloud and Orpheus.
Nicholas would love to have a superpower which would enable him to read the thoughts of other people.
After graduating from college in 2002, he decided to move out to Los Angeles to pursue a full-time acting career.
Nicholas has performed in various plays and musicals in high school.
Nicholas turned down the role of Denny in Meet the Parents in order to attend Marquette University.
Nicholas made his film debut in the year 1999 in the movie Election. He made his television debut in 2003 in the TV series Boston Public.
As of 2007, Nicholas resides in Los Angeles.
As of 2007, Nicholas remains single.
Nicholas has two older brothers and two younger sisters.
Nicholas: (on what it's like working with Hayden Panettiere) She is extremely talented young woman and she's been a lot of fun. I think our scenes turned out really well.