Survival of the Fittest Molly Cowper is a wilful 80-year-old widow who firmly believes the world is there for her convenience. Her mild-mannered son Geoffrey does his best to help her keep her independence, but Molly keeps trampling on people. Details Casts Title Survival of the Fittest Release Date 1990-10-21 Runtime 01 Hours 15 Minutes Genres Comedy TV Movie Production Companies BBC Production Countries United Kingdom Timothy West... Geoffrey Cowper... Jean Anderson... Molly Cowper... Nerys Hughes... Betty Trinder... Elizabeth Spriggs... Eileen Blackett... Timothy Davies... Chris Trinder... Joanna Brookes... June Trinder... Ben Porter... Young Chris... Andrew Groves... Richard... Doc O'Brien... Taxi Driver...