First broadcast 6th January 1965.br br Terry feels that Bob has betrayed his class by accepting promotion from the factory floor to the drawing office.br br James Bolam - Terry Collierbr Rodney Bewes - Bob Ferrisbr Anneke Wills - Judith Francisbr Didi Perego - Sally Anne (as Didi Sullivan)br Don McKillop - Jack (as Donald McKillop)br Bartlett Mullins - Mr.