Special Guest Stars Ian Lavender as Derek Harkinson Guest Stars Abbie Burke as Amy Mitchell Henri Charles as Ricky Branning Bleu Landau as Dennis Rickman Gwyneth Strong as Geraldine Clough Geoffrey Newland as Dermot Haynes Daniel Attwell as Keith Howard Suzann McLean as Christine Allinson Doreene Blackstock as Bella Okafor Annette Flynn as Liz Herdsman Uncredited Oscar Winehouse as Louie Beale