Marcia Donnelly is the assistant principal of Edward J. Tilghman Middle School.
Appearances
The Wire
Guest cast, played by Susan Duvall
- Episode 4x01: Boys of Summer (Sep 10, 2006)
- Episode 4x06: Margin of Error (Oct 15, 2006)
- Episode 4x07: Unto Others (Oct 29, 2006)
- Episode 4x10: Misgivings (Nov 19, 2006)
- Episode 4x11: A New Day (Nov 26, 2006)
- Episode 4x12: That's Got His Own (Dec 3, 2006)
- Episode 4x13: Final Grades (Dec 10, 2006)