We don't have a biography for Joanna St. John yet. Hang in there, or go ahead and contribute one.
Appearances
Knight Rider
Guest cast, played by Joanna Pettet
- Episode 2x21: Mouth of the Snake [a.k.a. All That Glitters] (1) (Apr 8, 1984)
- Episode 2x22: Mouth of the Snake [a.k.a. All That Glitters] (2) (Apr 8, 1984)