Joe Flynn is originally from Massachusetts but spent most of his life in sunny California. He received his bachelor's degree from UCLA’s School of Theater, Film & Television. After undergrad, he spent a year working in LA until deciding to return to school for his Master's in acting.

Joe then left for Chicago to attend the Master's acting program at The Theatre School at DePaul University. His Theatre School credits include Løvborg in Hedda Gabler (dir. Azar Kazemi), Cohen in Steve Martin's The Underpants (dir. Reshmi Hazra), Kreon in Medea (dir. Damon Kiely), Foster in an adaptation of Faustus (dir. Krissy Vanderwarker),  and most recently as Julian Assange in Sarah Gubbins' new play I am Bradley Manning (dir. Geoff Button).

Working in Chicago, he has appeared in Cymbeline with the RIFF Collective (dir. JD Cannady); Speaking in Tongues with Interrobang Theatre Project (dir. Jeffry Stanton); as Captain Jamy and Gloucester in Henry V at Chicago Shakespeare Theate; and as Master Ford in Merry Wives of Windsor, Duke Orsino in Twelfth Night, and as Benedick in Much Ado About Nothing, all with ARC Theatre (dir. Mark Boergers);

In the fall of 2010, Joe co-founded The Regulars, a long-form improv troupe. He's an experienced competitive fencer and certified Actor/Combatant with the SAFD.