Who is William B. Davis?
William B. Davis is a Canadian actor. He was born in Toronto, Canada, on January 13, 1938. He is best known for his role of the Cigarette Smoking Man on "The X-Files."
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Who is William B. Davis?
### Input: 
### Response: William B. Davis is a Canadian actor. He was born in Toronto, Canada, on January 13, 1938. He is best known for his role of the Cigarette Smoking Man on "The X-Files."