Andy Nyman as Professor Goodman

Paul Whitehouse as Tony Matthews

Alex Lawther as Simon Rifkind

Martin Freeman as Charles Cameron / Mike Priddle

Samuel Bottomley as Young Goodman

Deborah Wastell as Mrs. Goodman

Amy Doyle as Esther Goodman

Daniel Hill as Mr. Goodman

Ramzan Miah as Esters's Boyfriend

Nicholas Burns as Mark van Rhys

Louise Atkins as Steph

Neil Finnighan as Security Guard

Christine Dalby as Beth Hooper

Maggie McCarthy as Jean Hooper

Lesley Harcourt as BBC Local Newsreader

Jake Davies as Kojak / Desi Callahan

Oliver Woollford as Nico Freer

Callum Goulden as Marcus Perry

Macie Allen as Tilly

Kobna Holdbrook-Smith as Father Emery

Joe Osborne as Mr. Rifkind

Maria Major as Mrs. Rifkind

Paul Warren as Woolly

Ryan Oliva as Hellion

Emily Carding as Maria Priddle

Jill Halfpenny as Peggy Van Rhys (voice)

Anthony Davis as Radio DJ (voice)

Mike Aarons as Mike from Barnett (voice) / Bar Mitzvah Guest

Derren Brown as Betty (voice)

Elaine Dyson as Mrs. Rifkind (voice) / Bar Mitzvah Guest

Billy Sneddon as National Breakdown Assistant Caller (voice)

Elaine Aarons as Bar Mitzvah Guest

Joe Aarons as Bar Mitzvah Guest

Mia Aarons as Bar Mitzvah Guest

Sophie Abbott as Bar Mitzvah Guest

Emma Chippendale as Bar Mitzvah Guest

David Cline as Bar Mitzvah Guest

Stanley Collins as Bar Mitzvah Guest

David Cooper as Bar Mitzvah Guest

Tim Dennison as Bar Mitzvah Guest

Eve Dyson as Bar Mitzvah Guest

Nicky Dyson as Bar Mitzvah Guest

Poppy Dyson as Bar Mitzvah Guest

Mimi Goldberg as Bar Mitzvah Guest

Simone Harris as Bar Mitzvah Guest

Niamh Howat as Bar Mitzvah Guest

Susan Hughes as Bar Mitzvah Guest

Claire Jones as Bar Mitzvah Guest

June Jones as Bar Mitzvah Guest

Mike Kleinman as Bar Mitzvah Guest

Eddie Leviten as Bar Mitzvah Guest

Jayne Maurice as Bar Mitzvah Guest

Julian Maurice as Bar Mitzvah Guest

Leo Maurice as Bar Mitzvah Guest

Louis Maurice as Bar Mitzvah Guest

Lisa McGrath as Bar Mitzvah Guest

Carole Morris as Bar Mitzvah Guest

Simon Nicholson as Bar Mitzvah Guest

Phyllis Nyman as Bar Mitzvah Guest

Preston Nyman as Bar Mitzvah Guest

Jackie Passman as Bar Mitzvah Guest

Emily Sambridge as Bar Mitzvah Guest

Miranda Sambridge as Bar Mitzvah Guest

Amelie Spencer as Bar Mitzvah Guest

Helen Taylor as Bar Mitzvah Guest

Henry Taylor-Horne as Bar Mitzvah Guest

Madison Taylor-Horne as Bar Mitzvah Guest