Brian Duffield Creator, Executive Producer, Writer Darren Barnet Mike Voice Nicolas Cantu Charlie Voice Benjamin Bratt Cap Voice Mae Whitman Annie Voice Betty Gilpin Irene Voice Phil LaMarr Hungry Merc , Sam Voice Trevor Devall Glasses Merc, Vet Voice Tania Gunadi Islander Voice Fryda Wolff Island Girl Voice John DiMaggio Crybaby Merc, Hat Merc, Annie's Father Voice Sunil Malhotra Handsome Merc Voice Yuki Matsuzaki Hiro Voice Mara Junot Tracker Merc Voice Alejandra Reynoso Pointing Merc Voice Jacob Robinson Executive Producer Thomas Tull Executive Producer Brad Graeber Executive Producer Jen Chambers Executive Producer Amanda Sitareh B. Director Daniel Araya Director Danny Araya Director Julie Olson Director