Daisy Aitkens Director, Writer David Tennant John Actor Lucy Punch Olivia Actor Faye Marsay Alex Actor David Warner Michael Miller Actor Sarah Parish Mrs. Jones Actor Nina Sosanya Dr. Parks Actor Gemma Jones Sue Miller Actor Sally Phillips Amy Actor Simon Bird Ben Miller Actor Don Warrington Charles Actor Ingrid Oliver Lily Actor Rebecca Gethings Biggles Tilsbury Actor Kayode Ewumi Yoga Teacher Actor Paul Blackwell Police officer Actor Nick Owenford Doorman Actor Manoj Anand New Years Party Guest Actor Charlie Wood Executive Producer Phil Hunt Executive Producer Alan Latham Executive Producer Norman Merry Executive Producer Jason Moring Executive Producer Compton Ross Executive Producer Jeff K. Clarke Executive Producer Phin Glynn Producer Georgia Tennant Producer Daz Spencer-Lovesey Co-Producer Tom Harberd Associate Producer Jack Goldstein Original Music Tony Coldwell Cinematographer Gary Dollner Film Editor Anthony Neale Production Design