Ed was born in Los Angeles to Academy Award-winning actor Ed Begley. He grew up in New York but returned in California at age 14 and he attended Notre Dame High School and later the Los Angeles Valley College. Ed got into acting in 1967 in an episode of My Three Sons and has since appeared in over 270 TV shows and movies.
He is best known for his role of Dr. Victor Ehrlich on St. Elsewhere and his participation in Christopher Guest's films This is Spinal Tap!, A Mighty Wind, and Best in Show.
Ed Begley, Jr. is an avid environmentalist and practices green living with his wife Rachelle Carson and three kids.