“ We Were Liars ” Season 2 has added six new cast members, with the second season set to take place in the summer of 1999 at Beechwood Island. Josh Dallas (“Manifest,” “Once Upon a Time”) will play young Harris Sinclair, with Costa D’Angelo (“Tell Me Lies,” upcoming “East of Eden”) set as new character Pfeff. Parker Lapaine (“House of the Dragons”) will play young Carrie Sinclair, while Peyton List (“Gotham,” “Mad Men”) will play a young Tipper Sinclair. Elysia Roorbach (“The Pitt”) is set as young Penny Sinclair, and Madison Wolfe (“The Hunting Wives,” “Mayfair Witches”) will play young Bess Sinclair. Full character descriptions can be found below. Popular on Variety Dallas is repped by Verve, Untitled Entertainment, and Gendler, Kelly & Cunningham. D’Angelo is repped by Entertainment 360, Shanahan Management, and Jackoway Austen Tyerman. Lapaine is repped by Atlas Artists and Hamilton Hodell. List is repped by Innovative Artists and Schreck Rose. Roorbach is repped by Realm Talent and Schreck Rose.…