Barry Gordon Livingston (born December 17, 1953) is an American television and film actor, known for his role as Ernie Douglas on the television series My Three Sons (1963–72). He is the younger brother of actor/director Stanley Livingston, who played Ernie's older brother "Chip" on the show.
The Elf and the Magic Key
As Hoot
The Elf Who Saved Christmas
As Hoot
Paper Tiger
As Psychiatrist
Maniac Cop 3: Badge of Silence
As Asst. Coroner
Masters of the Universe
As Charlie
Porky's: Pimpin' Pee Wee
As Uncle Howard
Dickie Roberts: Former Child Star
As Self
Easy Wheels
As Reporter
Invisible Mom
As Karl Griffin
Robbie's Brother
As Principal Cushman
My Six Loves
As Sherman
Jersey Boys
As Accountant
Love and Kisses
As Bobby
Horrible Bosses
As Kurt's Co-Worker
Tremors 3: Back to Perfection
As Dr. Andrew Merliss
Hurricane
As Richie Damon
The Elevator
As Robert Peters
Blood Knot
Invisible Mom II
As Karl Griffin
Senior Year
As Murray 'Moose' Kerner
The Nutt House
As Williams
War Dogs
As Army Bureaucrat
Expecting a Miracle
As Dr. Douglas Clark
You're a Good Man, Charlie Brown
As Linus
The Social Network
As Mr. Cox
Sidewinder 1
As Willie Holt
The O.J. Simpson Story
As Dr. Berney
Christmas with the Andersons
As Mr. Anderson
Hostel: Part III
As EHC Client for Mike
Bad Twin
As Dr. Frank
You Don't Mess with the Zohan
As Gray Kleibolt
High School U.S.A.
As Mr. Sirota
Steel Sharks
As Dr. John Van Tasset
Fun Size
As Halloween Dad
Second Chances
As Bill
The Silent Natural
As Frank Selee
Zodiac
As Copy Editor #3
Argo
As David Marmor
Notorious Nick
First Daughter
As Press Secretary
Final Approach
As Brian Fields
Decodings
Love Is Not Forever
As Moose
Love's Christmas Journey
As George Ness
Incarcerated
As Judge McDoyle
Boston Public
As Patron
Boston Common
As Dad
Son of the Beach
Saved by the Bell: The New Class
As Mr. Green
Ally McBeal
My Three Sons
As Ernie Thompson
The Guardian
Judging Amy
As Cliff Newman
Simon & Simon
Doogie Howser, M.D.
The Dick Van Dyke Show
As Philip Mathias
The Lucy Show
As Arnold Mooney
Crossing Jordan
As Ron Perkins
The Streets of San Francisco
Two and a Half Men
As Sam
Room 222
American Dreams
As Spelling Bee Moderator
Hart to Hart
Lois & Clark: The New Adventures of Superman
As Sheldon Bender
NCIS
Roswell
As Bryce McCain
The New Adventures of Old Christine
As Director
Will & Grace
As Vince
The Huntress
Hallmark Hall of Fame
Sam Benedict
The Sandy Duncan Show
Do Over
Police Woman
Sons and Daughters
As Murray "Moose" Kerner
Vacation Playhouse
As Roger
Mrs. Davis
As Martini Man
Chasing Life
As Bob Reiser
The Rookie
As Earl
Monk
As Geiger Counter Enthusiast
The Fosters
As Kyle
Sabrina, the Teenage Witch
As Professor
The Middle
As Milt
Revenge
As Headmaster
How I Met Your Father
As Captains Lawyer
Lessons in Chemistry
As Pastor
The Orville
As Tom
Bosch: Legacy
As Gary Potter
Terminator: The Sarah Connor Chronicles
As Pete
Thicker than Water
Trial & Error
As Juror #1
Grey's Anatomy
As Wayne Sheehan
Angie Tribeca
As Defense Lawyer
Sliders
As Eddie Selk
Veronica Mars
As Coroner
Glee
As Manager
Rizzoli & Isles
As Roger Wise
Ironside
As Johnny Garber
Mad Men
As Duane Davis
Desperate Housewives
As Jimmy
Bosch
As Gary Potter
The West Wing
As Speechwriter
Beyond Belief: Fact or Fiction
As Wally Pratt (segment "The Card Game")
Them
As Real Estate Commissioner
Strong Medicine
As Dr. Franco
It's Always Sunny in Philadelphia
As Third Executive
Dead to Me
As Bernard
She Spies
As Courier
The Drew Carey Show
As Mr. Walters
Castle
As Abe
Anger Management
As Prison Board Member
Suburgatory
As Dr. C.B. Carlisle
Hot in Cleveland
As Professor Novack