Guest Stars Fred Armisen voices Gavin Jermaine Fowler voices Demarcus Ellie Kemper voices Mudria Julian Barratt voices Harold the Guard Alfred Molina voices Rupert Jordi Mollà voices King Diego Belafonte Julian Barratt voices Ace Nonso Anozie voices Gregor Alfred Molina voices Neil Co Starring Fred Armisen voices Additional Voices Peter Serafinowicz voices Additional Voices Jon Daly voices Additional Voices Gillian Jacobs voices Additional Voices Wendi McLendon-Covey voices Additional Voices Horatio Sanz voices Additional Voices Alfred Molina voices Additional Voices Jermaine Fowler voices Additional Voices