Mandy Moore as Sarah Finkel

Martin Freeman as Alvin Finkel

Melissa George as Janet

Jonathan Silverman as Peter

Elizabeth Tan as Pedicurist

Carolyn Tomkinson as Toe Jam Woman

Daisy Beaumont as Clementine

Jerry Stiller as Mr. Winters

Daisy Haggard as Lesbian 1

Amanda Abbington as Lesbian 2

Dan Mersh as Tour Guide

Ian Midlane as Bondage Man

Julie Ann Serrano as Party Guest (uncredited)

Louie Spence as

Jane Robbins as Julie the Dental Nurse