Guest Stars Thomas Craig as Fenton Russell Bertie Carvel as Alexander Wentworth Mark Powley as Mark Venn David Michaels as Brian Worsley Peter Guinness as Jason Styles Andrew Scarborough as Ben Lander Lisa Kay as Lauren Venn Christov Ruhn as Mezwar Tanzir Rupert Simonian as Michael Venn Benjamin Smith as Matt Paul Ritter as Stevie Quirke Chris Webster as Young Harry Audrey Looten as Jennifer Moscati Mens-Sana Tamakloe as Dean Stubbs Chris Reilly as Gerry Richard Durden as Dr Sturgess Conor Delaney as Strand Waiter Séainín Brennan as Frances