The Tony winner will play the brother of Tracee Ellis Ross' character. Daveed Diggs' post Hamilton-schedule continues to heat up. The Tony winner is set for a season three arc on Black-ish. Diggs will play Johan, the brother of Tracee Ellis Ross' character Bow. Because of their wildly different childhoods, Johan will be a frequent thorn in the side of Bow's husband, Dre (Anthony Anderson). Namely, Johan has enjoyed a far more pampered existence than Dre.