Son: Devlin Shepard Baldwin (b. October 17, 1996). Daughters: Zoey Baldwin (b. 1990) and Jeselle Baldwin (b. 1992).
Both Adam Baldwin and "Angel" (1999) co-star David Boreanaz have provided the voice of DC Comics' Green Lantern Hal Jordan, Baldwin in "Justice League" (2001) and Boreanaz in Justice League: The New Frontier (2008) (V).
Voiced the second Green Lantern Hal Jordan on "Justice League" (2001), and later chosen to voice Superman/Clark Kent for the DVD feature Superman/Doomsday (2007) (V).
Recorded his own version of the song "The Man They Call Jayne" for use as an easter-egg feature in the DVD collection of "Firefly" (2002).
One of four actors from "Firefly" (2002) who voiced superheroes on "Justice League" (2001). He voiced Hal Jordan, the Silver Age Green Lantern, while Nathan Fillion voiced the Vigilante, Gina Torres voiced Vixen and Morena Baccarin voiced Black Canary.
Is good friends with Jamie Lee Curtis, and appeared in Molly & Roni's Dance Party (2005) (V) as a favor to her.
Was named TV Guide's Sexiest Newcomer in 2005 even though he started his acting career in 1980.
According to the commentary track on Superman/Doomsday (2007) (V), he was the original choice to play the voice of Superman on "Superman" (1996): the Animated Series, but was unavailable at the time. The role then went to Tim Daly.