Gentry was one of the actors to play Ed Bauer on Guiding Light.
He portrayed Ed from 1966 to 1969, then left the role to appear on a new ABC soap opera, The Best of Everything.. Gentry returned nearly 30 years later to play the role of Ed on a recurring basis from 1997 to 1998.
In 1990, on Generations, he played the role of villain Jordan Hale[2] Gentry played the part of Richard Hunt on Days of Our Lives[2] from 1994 to 1995, as well as shorter roles on other serials, including The Bold & The Beautiful where he played Elliot, the Forrester family attorney.
In the early-1970s he co-starred with Agnes Moorehead in the film Dear Dead Delilah.
In 1988, Gentry was nominated for an Emmy Award for Outstanding Lead Actor in a Drama Series for his All My Children role.