Roach is a character who makes a one-time appearance in the Season 2 episode titled "Once a Hero".
Hawke and his friends raid a P.O.W. camp in Laos looking for Saint John Hawke. During the firefight, they notice some prisoners being loaded onto a truck. Hawke pursues in Airwolf and forces the truck to stop and drives off its guards. He boards the truck and finds three M.I.A. prisoners and asks if anyone knows where Saint John is. No one really knows but Roach, one of the M.I.A.s, tells him that some other prisoners were taken away earlier on.