Tamsin Greig

Herself

Paul Ritter

Himself

Simon Bird

Himself

Tom Rosenthal

Himself

Mark Heap

Himself

Robert Popper

Himself

Matt Lucas

Narrator (voice)

Tracy-Ann Oberman

Herself

Harry Landis

Himself

Kenton Allen

Himself

Frances Barber

Herself

Skye Bennett

Herself

David Baddiel

Himself

Claudia Winkleman

Herself

Jessica Hynes

Herself

Rosie Cavaliero

Herself

Nihal Arthanayake

Himself

Martin Dennis

Himself

Krishnan Guru-Murthy

Himself

Kiell Smith-Bynoe

Himself

Matthew Holness

Himself

Peter Serafinowicz

Himself

Joe Thomas

Himself

Lou Sanders

Herself

Frances Cuka

Grandma (archive footage)

Rosalind Knight

Horrible Grandma (archive footage)