Tracey Wigfield (Tracey), a woman who lives in Casey's apartment building and throws hangers at Mindy as she tries to win Casey back. She later appears as a regular character in the show, as both Jeremy and Peter's love interest, and later as Peter's fiancée. She is also a writer for the show.
Peter Prentice is often touted as an alumni of Dartmouth; this is an homage to Mindy's alma mater, which is also Dartmouth.