Brother of William Corcoran Jr., Donna Corcoran, Noreen Corcoran, Hugh Corcoran, Brian Corcoran, Kerry Corcoran, and Kelly Corcoran.
Played Tommy Kirk's brother in five different films: Old Yeller (1957), The Shaggy Dog (1959), Swiss Family Robinson (1960), Bon Voyage! (1962) and Savage Sam (1963). _Savage Sam was the sequel to _Old Yeller, following the adventures of the Coates brothers and Savage Sam, son of Old Yeller.