Birdie tells Charlie that she hates when he does the hero thing. In real life, Milo Ventimiglia was on the TV show Heroes (2006) as Peter Petrelli.
Milo Ventimiglia (Charlie Nicoletti) and Tony Shalhoub (Frankie Musso) have both appeared in the TV show, The Marvelous Mrs. Maisel (2017) playing Handsome Man/Sylvio and Abe Weissman respectively.