Room At The Top is a 1959 British film based on the novel of the same name by John Braine. The novel was adapted by Neil Paterson with uncredited work by Mordecai Richler. It was directed by Jack Clayton and produced by James Woolf and John Woolf. The film stars Simone Signoret, Laurence Harvey, Heather Sears, Donald Wolfit, Donald Houston and Hermione Baddeley. In smaller roles were Allan Cuthbertson, Raymond Huntley, John Westbrook, Richard Pasco and Ambrosine Phillpotts. There are also early cameos by Prunella Scales, Wendy Craig, Derek Benfield, Miriam Karlin, Derren Nesbitt and Ian Hendry. Wilfrid Lawson makes an uncredited appearance as Harvey's uncle. Signoret won the Academy Award for Best Actress for this film, while Baddeley's performance became the shortest ever to be nominated for an acting Oscar (she had 2 minutes and 20 seconds of screen time).

Room At The Top (1959)   http://www.imdb.com/title/tt0053226/