Guest Stars Jo Martin as Grace Marley Kerr-Armstrong as Baby Mayowa Winnie Kerr-Armstrong as Baby Mayowa Martina Laird as Aunt Polly Roger Griffiths as Uncle Claude Muna Otaru as Stephanie Akemnji Ndifornyen as William Peter Serafinowicz as Howard Lydia Rose Bewley as Suzy Isy Suttie as Helen Daniel Ogbeide-John as Dorvin Austin Caley as Taylor Evans Adrian Daniel Blake as Irv Tom Byrne as Nathan Beth Chalmers voices White Kid Beth Chalmers voices Teacher Velda Mesmain as Lady Dining Frieda Thiel voices Asian Kid Frieda Thiel voices Black Kid Riz Khan as Ben (Diversity Guy) James Earl Adair as Narrator Romina Puma as Disabled Mentee Ashley Leacock as Dorvin's Friend David Sylvester as Dorvin's Friend Monica Purcell as Lady Dining
