Advertisement Justin Cornwell ( I Am the Night) will play Sparrow #1 Marcus, who is described as “honest, virtuous, and demanding” and oozing “confidence and leadership without ever having to raise his voice”. ‘The Umbrella Academy’ season 3 cast. Credit: Netflix Sparrow #2 is Ben – though this version is a “Machiavellian tactician” and “determined to gain his status as the leader at all costs” – who is followed by Sparrow #3 Fei (Brintne Oldford), a misanthrope who is usually the smartest person in the room. Sparrow #4 is Alphonso (Jake Epstein), who has years of crime-fighting that “have left his face and body with countless visual reminders of his battles”, and he has “a caustic and biting sense of humor”.