about cigarette smoking man

Cigarette Smoking Man (aka Cancer Man, aka CGB Spender) is a character from the television series The X-Files and is portrayed by William B. Davis. He is a man of power and influence and is involved in conspiracies he feels are in the best interest and for the greater good of the American people.

He is a nameless character throughout the first few seasons and is referred to as cancer man and smoking man. It isn't until about the sixth season when we learn more about his identity and connection to Agent Mulder.