Larry Lamb
— Derek
Lesley Sharp
— Doreen
Phil Davis
— Dave
Marion Bailey
— Dinah
Adjoa Andoh
— Alice
Jamie Bacon
— Young Derek
Christopher Sparkes
— Young Dave
Hana Stewart
— Young Dinah
Phoebe Jones
— Young Doreen
Charlie Quirke
— Trevor
Lucio Veronesi
— Tom
Freddie Gaminara
— Ted
Mark Brailsford
— Dinah's Dad
Dean Middhat
— Doreen's Dad
Isobelle Sutton
— Very Young Doreen
Luke Charlesworth
— Very Young Dave
Micky Dartford
— Jimmy
Geoffrey MacCarthy
— Kwesi
Hannah Burton-Russell
— Hitchhiker
David McEwan
— Bingo Caller
Melanie Harris
— Dr. Sam Martin (uncredited)