Confetti

Martin Freeman

Matt

Jessica Hynes

Sam (as Jessica Stevenson)

Stephen Mangan

Josef

Meredith MacNeill

Isabelle

Robert Webb

Michael

Olivia Colman

Joanna

Vincent Franklin

Archie

Jason Watkins

Gregory

Felicity Montagu

Vivian

Jimmy Carr

Antony

Alison Steadman

Sam's Mum

Marc Wootton

Snoopy

Sarah Hadland

Jen

Ron Cook

Sam's Dad

Julia Davis

Counsellor

Selina Cadell

Joanna's Mum