Guest Stars Cal MacAninch as Thomas Walken Iola Evans as Phoebe Dwyer Chantelle Alle as Waitress Martin Walsh as Joe Barry Tom Glenister as Joshua Walken Lawrence Walker as Michael Cummings Alexander Cobb as David Walken Martha Cope as Steph Bayliss Stuart Laing as Rob Bayliss Harki Bhambra as Vinay Deol Kieran Urquhart as Liam Dwyer David Rubin as Jamie Dwyer Christine Entwisle as Julia Walken Nathan Horrocks as Dennis Bayliss Janine Leigh as Pat Ross Mica Ricketts as Liza Conney
