Michael Ealy (Stumptown), Thadeus J. Mixson (Safety) and newcomer Aderinsola Olabode are set as series regulars and Pauletta Washington (Genius: Aretha) and Sean Patrick Thomas (The Tragedy Of Macbeth) have been tapped for key recurring roles opposite Emayatzy Corinealdi in Disney’s Onyx Collective series Reasonable Doubt to stream on Hulu.