Jack McBrayer was born on May 27, 1973, in Macon, Georgia, and studied theater administration at the University of Evansville in Evansville, Indiana.
He began his career working at The Second City and IO Theater from 1995-2002, where he became acquainted with Tina Fey, which ultimately led to his role on 30 Rock.
After his time with those comedy troupes, McBrayer frequently appeared in sketches on Late Night with Conan O'Brien from 2002 to 2004, playing a series of stereotypical Southern characters.
He then secured his role as a series regular on 30 Rock, where he received an Emmy nomination in 2009 for Outstanding Supporting Actor in a Comedy Series for his role as dim-witted NBC page Kenneth Parcell.
McBrayer was also the main character in the 30 Rock web series 30 Rock: Kenneth the Webpage, which ran from 2007 to 2009 and earned two Emmy nominations for short-format programming.
Other notable television credits include a small role on Arrested Development and a recurring voice on Phineas and Ferb, among others.
In addition to his television work, McBrayer has appeared in numerous movies over the past decade, including Talladega Nights: The Ballad of Ricky Bobby, Forgetting Sarah Marshall, Cats & Dogs: The Revenge of Kitty Galore, and The Campaign.
He is also set to voice the character Fix-It Felix in the upcoming animated film Wreck-It Ralph, which is scheduled for release in November 2012.