Guest Stars Jordan Claire Robbins as Grace Justin H. Min as Ben Hargreeves Kate Walsh as The Handler Sheila McCarthy as Agnes Rofa Rainbow Sun Francks as Chuck Beeman Peter Outerbridge as Conductor Matt Biedel as Sgt. Dale Chedder Co Starring Eden Cupid as Young Allison Dante Albidone as Young Klaus Cameron Brodeur as Young Luther T.J. McGibbon as Young Vanya Ethan Hwang as Young Ben Blake Talabis as Young Diego Liisa Repo-Martell as Abigail Hargreeves John Connolly as Manager Annelise Forbes as 13 Year Old Girl Heather Sanderson as Kenny's Mom Ray Kahnert as Immigration Clerk Meilie Ng as Orchestra Player #2 Olivia Gudaniec as Waitress Imogen Sloss as Vanya Violin Double Lesley Robertson as Orchestra Player #1 Sarah Marchand as Orchestra Player #3