Guest Stars Robert John Burke as Bart Bass John Patrick Amedori as Aaron Rose Willa Holland as Agnes Andrews Stella Maeve as Emma Boardman Patricia Kalember as Mrs. Boardman Co Starring Michaela Annette as Mini Serena Robert Stoeckle as High Society Man Gonzalo Escudero as Buckman Stephen Beach as Cop Jabari Gray as Man With List Eva Kaminsky as Housekeeper Christina Hogue as Hottie Scott Sartiano as Scott Uncredited Kristen Bell voices Gossip Girl
