Billy Cole is a fictional character portrayed by Brian Groh in the TV series NCIS.
They appear in 1 episodes out of a total of 467 aired so far
Episodes1
Murder 2.0
episode S6.E6 october 2008Bloody water emits from a shower head in base housing at Quantico; Gibbs and company investigate; something has disappeared; a second man dies. The killer leaves clues, which suggest more deaths. They solve the game and nab the bad guy.