Question: Which American actor, known for his role as Doctor Phlox, co-starred with David Lee Smith in the film "The Man from Earth"? 
Sentence (from "David Lee Smith"): David Lee Smith (born September 8, 1963) is an American actor, known for his role as John Oldman, the protagonist of the 2007 science fiction film, "The Man from Earth"; he co-starred with John Billingsley and Tony Todd.
Relevant evidence: Yes