Made TV debut in "This Is Your Life" salute to his grandfather
Began acting in TV commercials at age five
Had recurring role on the ABC family comedy-drama "Eight Is Enough" (ABC), billed as Keith Mitchell
TV-movie debut, "A Question of Love" (NBC)
Was regular on the ABC TV series "The MacKenzies of Paradise Cove"
Joined regular cast of the long-running CBS family drama, "The Waltons"
Billed as Keith Mitchell, provided character voice for the Disney animated film "The Fox and the Hound"
Had featured role in a busted NBC pilot based on "Norma Rae"
Co-starred as Clovis, an orphan who becomes a ward of cowboy, in the CBS TV-movie "Tales of the Apple Dumpling Gang"
Reprised role of Clovis in four of six episodes of the short-lived series spin-off "Gun Shy"; Coogan was replaced by Adam Rich for the other two episodes
Changed surname from Mitchell to Coogan to honor his grandfather (date approximate)
Billed as Keith Coogan, made his feature acting debut in "Adventures in Babysitting"
Starred in "A Town's Revenge", an "ABC Afterschool Special"
Had leading role in the feature "Toy Soldiers"
Starred in "Downhill Willie"