Complex sentence: Season 9 ended with Mo Collins and Josh Meyers leaving the cast to pursue movie careers, thus last year's featured cast members Daniele Gaither, Keegan-Michael Key, Nicole Parker, and Jordan Peele were upgraded to repertory players.
Split into simpler sentences: Season 9 ended with Mo Collins and Josh Meyers leaving the cast to pursue movie careers. Thus last year's featured cast members Daniele Gaither, Keegan-Michael Key, Nicole Parker, and Jordan Peele were upgraded to repertory players.