Customer #4 is a fictional character portrayed by Grey Rodriguez in the TV series Curb Your Enthusiasm.
They appear in 1 episodes out of a total of 120 aired
Episodes1
Vow of Silence
episode S8.E5 august 2011A friend who has taken a vow of silence creates a stir at multiple parties, Larry eats Jeff's dog's last meal, and Richard Lewis is snubbed meeting Larry for lunch.