Guest Stars Jon Hamm as Matt Trent Rafe Spall as Joe Potter Esther Smith as Madge Zahra Ahmadi as Gita Janet Montgomery as Bethany Grey Natalia Tena as Jennifer Oona Chaplin as Greta Rasmus Hardiker as Harry Leanne Li as May Dan Li as Tim Turlough Convery as Stingray Daniel Kendrick as Pie Ape Sukh Ojla as Market Woman Jonathan Arkwright as Bloke at Bar Magnus Robertson-Jones as Baby May Double Simon Nock as Fenn Raphael Sowole as Nixon Verity Marshall as Amy Beatrice Robertson-Jones as Older May Double Samuel Valentine as I_AM_WALDO Gavin Kean as Desk Sergeant Beatrice Curnew as Surgeon Diveen Henry as Fola Ian Keir Attard as Dawson Gráinne Keenan as Claire Liz May Brice as Gainsborough Matthew Aubrey as El Nino Nicholas Agnew as Mungo Robin Weaver as Holder Muzz Khan as Fappuccino Ken Drury as Gordon