He joined the Broadway transfer of the gender-swapped production of Company in 2021 playing the role of Jamie originated by Jonathan Bailey in the West End.

[3] After graduating from Redwood High School in Larkspur, California, Doyle went on to train in the London Academy of Music and Dramatic Art for a year.

[3] Following original cast member Jonathan B. Wright's departure, he was promoted to the role of Hanschen until the show closed in January 2009.

[5] In 2011, he appeared as Billy Naracott (understudying Albert) in Lincoln Center Theater's production of War Horse.

[6] Following War Horse, he starred as Elder Price in the Broadway production of Book of Mormon from November 2012 to January 2014.

[7] On screen, Doyle played Jonathan, Eric van der Woodsen's boyfriend, on CW show Gossip Girl.

[18] In 2020, Doyle was cast in the gender-bent Broadway revival of Company as Jamie, a role originated and first performed as a man by Jonathan Bailey in the West End.