 Andy NymanProfessor Goodman | Professor Goodman |
 Paul WhitehouseTony Matthews | Tony Matthews |
 Alex LawtherSimon Rifkind | Simon Rifkind |
 Martin FreemanCharles Cameron / Mike Priddle | Charles Cameron / Mike Priddle |
 Samuel BottomleyYoung Goodman | Young Goodman |
| DDeborah WastellMrs. Goodman | Mrs. Goodman |
| AAmy DoyleEsther Goodman | Esther Goodman |
 Daniel HillMr. Goodman | Mr. Goodman |
 Ramzan MiahEsters's Boyfriend | Esters's Boyfriend |
 Nicholas BurnsMark van Rhys | Mark van Rhys |
| LLouise AtkinsSteph | Steph |
 Neil FinnighanSecurity Guard | Security Guard |
 Christine DalbyBeth Hooper | Beth Hooper |
 Maggie McCarthyJean Hooper | Jean Hooper |
 Lesley HarcourtBBC Local Newsreader | BBC Local Newsreader |
 Jake DaviesKojak / Desi Callahan | Kojak / Desi Callahan |
 Oliver WoollfordNico Freer | Nico Freer |
| CCallum GouldenMarcus Perry | Marcus Perry |
| MMacie AllenTilly | Tilly |
 Kobna Holdbrook-SmithFather Emery | Father Emery |
 Joe OsborneMr. Rifkind | Mr. Rifkind |
 Maria MajorMrs. Rifkind | Mrs. Rifkind |
 Paul WarrenWoolly | Woolly |
 Ryan OlivaHellion | Hellion |
 Emily CardingMaria Priddle | Maria Priddle |
 Jill HalfpennyPeggy Van Rhys (voice) | Peggy Van Rhys (voice) |
| AAnthony DavisRadio DJ (voice) | Radio DJ (voice) |
| MMike AaronsMike from Barnett (voice) / Bar Mitzvah Guest | Mike from Barnett (voice) / Bar Mitzvah Guest |
 Derren BrownBetty (voice) | Betty (voice) |
| EElaine DysonMrs. Rifkind (voice) / Bar Mitzvah Guest | Mrs. Rifkind (voice) / Bar Mitzvah Guest |
