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)