For this chain-of-thought reasoning and answer, what was the question?
To answer the question, consider the following: He is best known for playing Phil Diffy, the main character in the Disney Channel series Phil of the Future.
A: Raviv Ullman
Q: Raviv Ullman (Hebrew: ; born January 24, 1986), is an Israeli-American actor and musician. He is best known for playing Phil Diffy, the main character in the Disney Channel series Phil of the Future. The actor was credited as Ricky Ullman from 1997 until 2006.

Based on this passage, who played phil in phil of the future?