Stephen Dunham has died from a heart attack on his 48th birthday. He is survived by his wife Alexondra Lee, an actress he met on the set of ABC's Oh Grow Up in 1999. They've been wed since 2005.
Dunham has appeared mostly on TV (DAG, What I Like About You, The Bill Engvall Show), but he and Lee will be playing husband and wife in next month's Paranormal Activity 4. Dunham most recently played Six in Oliver Stone's Savages.