- Look Who's Talking Now (1993) (as Mikey)
- It Was Him or Us (1995)
- 7th Heaven (1996-2007) (as Simon Camden)
- Bermuda Triangle (1996) (as Sam)
- Phenomenon (1996) (as Al Pennamin)
- Summer of Fear (1996)
- Angels in the Endzone (1997) (as Kevin Harper)
- Richie Rich's Christmas Wish (1998) (as Richie Rich)
- The New Adventures of Spin and Marty (2000) (as Marty)
- Little Secrets (2001) (as David)
Roles when David Gallagher was older than 15
- Walker, Texas Ranger (1993-2001) (6.08 "Brainchild" 1997)
Page Last Modified: 24th November 2011
Page Added: 14th July 2001
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