Mike Erwin is an American actor who is best known as Colin Hart from 2002 to 2006 in the WB television series Everwood. He has been more widely heard as the voice of Jak in the Jak and Daxter series from Jak II onward except in the case of Jak and Daxter: The Lost Frontier and PlayStation All-Stars Battle Royale in which he did not reprise his role for unknown reasons. He is also the voice of Speedy in Teen Titans. He was also a guest star on many TV shows and has also appeared in film. He is sometimes credited as Michael Erwin.