Question: ON what date did the man who played Michael Sullivan, Jr. in Road to Perdition first appear in The Adventures of Supergirl
Sentence (from "List of Waterloo Road characters (series 4)"): Head Girl Flick Mellor and her father Ralph, head of the board of governors and local police chief, also debut in episode 1, as does head of extended services, and sister to head teacher Rachel Mason, Melissa Ryan.
Relevant evidence: No