Which actor other than Kirk Douglas has three sons in show business?

The actor you are likely thinking of is Robert Duvall.

Here's why:

* Robert Duvall has three sons involved in the entertainment industry:

* Scott Duvall (actor)

* Griffin Duvall (actor)

* Benjamin Duvall (filmmaker)

While Kirk Douglas had three sons in show business, he had four in total. The fourth son, Eric Douglas, was also an actor.

Let me know if you have other questions about actors and their families!