Dr. O'Shaunessy is a fictional character portrayed by Tom Archdeacon in the TV series It's Always Sunny in Philadelphia.
They appear in 1 episodes out of a total of 172 aired so far
Episodes1
Dee Sinks in a Bog
episode S15.E7 december 2021Mac spends a day at the seminary to truly understand what it takes to become a priest; Dennis and Frank plan an elaborate trap to humiliate Charlie's pen pal; Dee prepares for a date with an Irish doctor; Charlie bonds with his pen pal.