In 2014 she portrayed "Gloria" in the Broadway production of Rocky, an original role written specifically for the production; this was followed by a reunion with Fiasco Theatre in a re-mounted production of Into the Woods in 2014 and 2015 for Roundabout Theatre, reprising the role of "The Witch." (Mudge was part of the Fiasco's production in 2013 at the McCarter Theatre.) This was followed by the Manhattan Theatre Club production of "Of Good Stock" with Alicia Silverstone. Her run in The End of Longing (written by and starring Matthew Perry) in London's West End took place from February to May 2016.
Mudge is a member of the first graduating Master of Fine Arts class from the Trinity Rep Conservatory in Providence, RI, and was a member of the resident acting company at Trinity Repertory Company. Her other regional appearances include performances at the Alabama Shakespeare Festival, the Contemporary American Theatre Festival, Williamstown Theatre Festival, the Bay Street Theatre, Arena Stage, the Geffen in Los Angeles (in "Cat on a Hot Tin Roof" with John Goodman), and the Breadloaf Acting Ensemble. In November and December 2016 she returned to the Geffen in the play Icebergs.
