Efraín Villa Stars as Mondo in Critically Acclaimed Show: Primo (Amazon). Produced by Mike Schur, Shea Serrano, David Miner, and Morgan Sackett. Primo is an American, semi-autobiographical sitcom about a teenager balancing college aspirations, societal expectations, and a hectic home life anchored by his single mom and five uncles. The show stars Christina Vidal, Ignacio Diaz-Silverio, Efraín Villa, Carlos Santos, Henri Esteve, Johnny Rey Diaz, Jonathan Medina, Stakiah Lynn Washington, Martin Martinez, and Nigel Siwabessy.