Erin is a fictional character portrayed by Mary Catherine Garrison in the TV series 30 Rock.
In the first episode they appeared in, titled Jackie Jormp-Jomp (season 3), they were 35 years old.
They appear in 1 episodes out of a total of 138 aired
Erin is also portrayed by Diane Neal.
Episodes1
Jackie Jormp-Jomp
episode S3.E18 april 2009Jack tries to turn an accidental obituary for Jenna into a marketing opportunity for her Janis Joplin-based biopic. Meanwhile Liz makes friends with a group of single women while away from work for sexual harassment.
