I also wanted to create the kind of LGBT series that TV networks refuse to, one where the main characters were not only gay, but flawed, complex individuals trying to navigate their messy lives, just like their straight friends.
He appeared in the Broadway premiere of Eric Bogosian's Talk Radio, starring Liev Schreiber, which ran from March 11 to June 24, 2007.
As he wanders around his little town in post-Communist Poland, vandalizing cars and trashing phone booths, the unfairness of everything becomes so oppressive he delivers Bogus' every line like it's a prelude to a fistfight.
In 2021, Williamson was announced alongside Brittany Cavallaro as a writer and producer for the television adaptation of Mercedes Lackey's Valdemar novel series.
The Valdemar series was far ahead of its time in the portrayal of LGBTQ characters, and Lackey’s writing afforded them a level of depth and complexity that is still very rare, especially in genre storytelling.