From Wikipedia, the free encyclopedia.
Erik Per Sullivan (born July 12, 1991) is an American actor best known for his role as Dewey, the younger brother to middle child Malcolm, on the FOX series, Malcolm in the Middle which was on air for 7 years.
Description above from the Wikipedia article Erik Per Sullivan, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For

Twelve
Timmy
5.7
2010

Mo
MO
7.3
2007

Arthur and the Invisibles
Baby Bug / Mino (voice)
6.4
2006

Christmas with the Kranks
Spike Frohmeyer
6.1
2004

Finding Nemo
Sheldon (voice)
7.8
2003

Searching for the Wendigo
Self
0.0
2002

Unfaithful
Charlie Sumner
6.7
2002

Wendigo
Miles
4.7
2002

Joe Dirt
Little Joe Dirt
5.6
2001

Wonderland
Tucker · (1 episode)
10.0
2000

Malcolm in the Middle
Dewey · (151 episodes)
8.5
2000

The Cider House Rules
Fuzzy
7.1
1999

The King of Queens
Young Arthur · (1 episode)
7.1
1998