Guest Stars Jon Hamm as Matt Trent Zahra Ahmadi as Gita Janet Montgomery as Bethany Grey Rafe Spall as Joe Potter Esther Smith as Madge Oona Chaplin as Greta Natalia Tena as Jennifer Leanne Li as May Beatrice Robertson-Jones as Older May Double Rasmus Hardiker as Harry Turlough Convery as Stingray Dan Li as Tim 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 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 Daniel Kendrick as Pie Ape Muzz Khan as Fappuccino Ken Drury as Gordon