Billy Lamb is a fictional head clerk for chambers on the bbc program silk. He is in charge of all the money but has been known to some people that he skims some money off the top occasionaly. He is loyal to Martha Costello. With the help of Jake he finds out about Kate Brockman's plan to split away from chambers along with Clive Reader and John Bright. He then has Clive tell him what is happening and ultimatly stops their plan when Clive doesn't get silk. He nearly kicks them out but is stopped by Martha who manages to convince him to let them stay. He is portraid by Niel Stuke.