Guest Stars Sam Littlefield as Mouse Christina Wolfe as Julia Pennyworth Gabriel Mann as Tommy Elliot Alex Zahara as Dr. Butler Rachel Matthews as Margot Pye / Magpie Co Starring Rachel Maddow voices Vesper Fairchild Allison Riley as Dana Dewitt Sean Kuling as Agent Whelan Nathan Witte as Agent Miguel Robles Cameron Dent as Arkham Orderly #1 Leo Chiang as Arkham Orderly #1 Viv Leacock as Bobby Reeves Alex Kilner as Elderly Man Clare Filipow as Faux-Batwoman Blair Penner as George Adler Lance Birley as Abraham Jesse Brandes as Crying Female Patient Shayn Walker as Officer Wilcox Elinet Louicius as Thief Jalen Saip as Arkham Patient