Guest Stars Sam Littlefield as Mouse Christina Wolfe as Julia Pennyworth Gabriel Mann as Tommy Elliot Brianne Howey as Reagan Alex Zahara as Dr. Butler Malia Pyles as Parker Torres Co Starring Rachel Maddow voices Vesper Fairchild Sean Kuling as Agent Whelan Janet Glassford as Nurse Janet Chad Riley as Librarian Tamara Daroshin as Grad Student 2 Linden Banks as Professor John Carr Amos Stern as Arkham Guard 2 Jason Bell as Arkham Guard 1 Tyson Arner as Grad Student 1 Favour Onosemuode as Gina Tom Lim as Tony Kim
