The This Is Us actor said of last night's episode being his directorial debut: "What was great was that Mandy herself was about to become a mother while we were shooting it. She was 37 weeks pregnant. She was right there. She could’ve actually broken her water on one of my shoot days. And I am so glad she did not (laughs)." Moore and husband Taylor Goldsmith announced the birth of their son, Gus, on Monday. ALSO: Milo Ventimiglia breaks down "The Ride" episode.