Bobby Moynihan
Bobby Moyniha...
 Mid-Life Alex 13 episodes, 2017-2018
Jack Dylan Grazer
Jack Dylan Gr...
 Young Alex 13 episodes, 2017-2018
John Larroquette
John Larroque...
 Older Alex 13 episodes, 2017-2018
Jaleel White
Jaleel White
 Darryl 13 episodes, 2017-2018
Mandell Maughan
Mandell Maugh...
 Maggie 9 episodes, 2017-2018
Brian Unger
Brian Unger
 Ron 13 episodes, 2017-2018
Kelen Coleman
Kelen Coleman
 Adult Abby 10 episodes, 2017-2018
Christopher Paul Richards
Christopher P...
 Justin 13 episodes, 2017-2018
Skylar Gray
Skylar Gray
 Young Abby 7 episodes, 2017-2018
Reylynn Caster
Reylynn Caste...
 Nori 10 episodes, 2017-2018
Sharon Lawrence
Sharon Lawren...
 Eleanor 7 episodes, 2017-2018
Alkoya Brunson
Alkoya Brunso...
 Young Darryl 5 episodes, 2017-2018