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                                    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
 
                                    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)