Raised in Plano, Texas, a suburb of Dallas, he was born to Betty and Timothy Nicholas Tudyk.
His father was of Polish descent and his mother has German, English and Scottish ancestry.
Talking about his personal life, 46 years old Alan recently got married to choreographer Charissa Barton on 24th September 2016.
The couple was engaged in December 2015 and now they are married.
It is reported that he studied dance and mime to portray his role as Sonny in the movie I, Robot.
For his role as Steve the pirate in the movie Dodgeball: A True Underdog Story, he went on a week-long Pirate Camp to prepare himself.
He started his film career in 2000 by playing a character called Gerhardt, a gay German drug addict in the movie 28 days, co-starring Sandra Bullock and Viggo Mortensen.
Later, he was seen in A Knight's Tale (2001), Dodgeball: A True Underdog Story (2004), Serenity (2005).
He went to Plano Senior High School in Plano, Texas.
Tudyk went to the Lon Morris College in Jacksonville, Texas where he studied Drama and also won the Academic Excellence award for drama there.
Evil, Steve the Pirate in Dodge Ball: A True Underdog Story and Wat in A Knight's Tale. He also had a supporting role in the film 42 as baseball manager Ben Chapman and voiced significant roles in Walt Disney Animation Studios' Wreck-It Ralph, Frozen, and Big Hero 6.