Jim Broadbent
Ernest Briggs (voice)

Brenda Blethyn
Ethel Briggs (voice)

Luke Treadaway
Raymond Briggs (voice)

Roger Allam
Middle Aged Doctor (voice)

Virginia McKenna
Lady of the House (voice)

Peter Wight
Detective Sergeant Burnley (voice)

Pam Ferris
Mrs Bennett / Aunty Betty (voice)

Simon Day
Alf (voice)

Raymond Briggs
Raymond Briggs (voice)

June Brown
Ernest's Step Mother (voice)

Harry Collett
Young Raymond (voice)

Gillian Hanna
Midwife / Aunty Flo (voice)

Alex Jordan
Best Man / Fireman / Train Guard / Doctor (voice)

Duncan Wisbey
Wedding Photographer / Radio Announcer / BBC Newsreader / Newspaper Seller / Tailor / Arthur (voice)