Guest Stars Lia Williams as Carrie Langman Julian Fellowes as Mr. Flannagan Oliver Ford Davies as The Major Chris Gascoyne as Simon Andrew Robertson as Mr. Offenbach Ian Sandy as Mark Paula Jacobs as Mark's Mother Sally Sanders as Sheila Hebe Chitnis as Leena Graham Blockey as Medical Registrar Emma London as TV Producer's Secretary Emily Kehoe as Debbie Gardiner Dinesh Shukia as Vijesh Patel Burt Caesar as Nev Jamieson Badi Uzzaman as Bharat Patel Tip Tipping as Wayne Dev Sagoo as Surgical Registrar Tim Healy as Ken Gardiner Elaine Donnelly as Dawn Gardiner Steve Edwards as Danny Gardiner