may need to be rewritten entirely to comply with Wikipedia's quality standards, as there are no sources, original research, POV violations, and needs serious copyediting.. You can help. The discussion page may contain suggestions. (January 2009) David Gallagher David Gallagher, January 2007 Born David Lee Gallagher February 9, 1985 (1985-02-09) (age 26) Queens, New York, U.S. Occupation Actor Years active 1987-present David Lee Gallagher (born February 9, 1985) is an American actor. He is best known for the role of Simon Camden on the long running television series 7th Heaven and Mikey Ubriacco in the 1993 film Look Who's Talking Now. He is also famous for voicing Riku in the Kingdom Hearts video game series..