Billy is a fictional character portrayed by Adam Greaves-Neal in the TV series Sherlock.
They appear in 2 episodes out of a total of 12 aired
Billy is also portrayed by Kevin Trainor and Terry Dormer.
Episodes1
The Sign of Three
episode S3.E2 january 2014Sherlock tries to give the perfect best man speech at John's wedding when he suddenly realizes a murder is about to take place.
