Mackenzie Astin

Mackenzie Alexander Astin is an American actor.

Astin was born on May 12, 1973, in Los Angeles, California, the son of actress Patty Duke and actor John Astin. His elder halfbrother is actor Sean Astin. He attended Ralph Waldo Emerson Middle School and University High School in Los Angeles. He is married to Jennifer Abbott Astin .

Source: Wikipedia