William Dwight Schultz is an American television, stage and voice actor best known for playing the eccentric Captain "Howling Mad" Murdock on the 1980s action series The A-Team and the socially anxious Lieutenant Reginald Barclay across the Star Trek franchise. He is also well known in Animation as the Mad Scientist Dr. Animo in the Ben 10 series and Chef Mung Daal in the children's cartoon Chowder.

Filmography

• 2024Watchmen: Chapter I — Detective Steve Fine / Happy Harry (voice)
• 2021Ben 10,010 — Admiral Animo (voice)
• DOTA: Dragon's Blood — Emperor Zal (voice)
• Jellystone! — Dick Dastardly / Dinky Dalton (voice)
• 2020Happy Halloween, Scooby-Doo! — Dr. Crane, AKA: Scarecrow (voice)
• 2018LEGO DC Comics Super Heroes: The Flash — Reverse-Flash / Eobard Thawne (voice)
• All Hail King Julien: Exiled — Father Tentacle (voice), Karl / Thrax (voice), Karl / Fore-Vegetable (voice), Chimp / Rat (voice), Karl (voice), Karl / Tentacle Father (voice)
• 2017Deep — Kraken (voice)
• 2016Barbie: Star Light Adventure — Constantine (voice)
• Ben 10 — Dr. Animo / Lumberjack (voice)
• Harvey Beaks — Lake Spirit (voice)
• All Hail King Julien — Karl (voice), Karl / Patrick (voice), Karl / Karl-Gram (voice)
• Marvel's Avengers — Attuma (voice)
• Wander Over Yonder — Wild Card (voice)
• 2012Ben 10: Destroy All Aliens — Dr. Animo (voice)
• Ben 10: Omniverse — Dr. Animo (voice)
• Teenage Mutant Ninja Turtles — Wyrm (voice)
• 2010Batman: Under the Red Hood — Freddie / Drug Dealer (voice)
• Ben 10: Ultimate Alien — Dr. Animo / Teacher #2 (voice), Sheriff / Dr. Animo (voice)
• Scooby-Doo! Mystery Incorporated — Older Danny Darrow (voice)
• 2010The A-Team — German Doctor #1
• The Avengers: Earth's Mightiest Heroes — Technovore / Executive 1 / AIM Scientist (voice)
• Young Justice — Mad Hatter (voice)
• Ben 10: Alien Force — Null Guardian / D'Void (Dr. Animo) (voice)
• 2007Ben 10: Secret of the Omnitrix — Dr. Animo (voice)
• Chowder — Mung Daal (voice), Ninja / Pirate Ninja (voice), Man / Sun Tang Gai (voice)
• 2006Ultimate Avengers 2 — Odin (voice)
• Where My Dogs At?
• Avatar: The Last Airbender — Trainer / Additional Voices (voice)
• Ben 10 — Dr. Animo (voice), Earl (voice)
• 2004The Chronicles of Riddick: Dark Fury — Skiff A.I. (voice)
• 2004Van Helsing: The London Assignment — Dr. Jekyll (voice)
• 2003Beyond — Townspeople, Policemen, and Exterminators (voice)
• 2003Matriculated — Nonaka (voice)
• My Dad the Rock Star
• 2003The Animatrix — Additional Voices ("The Second Renaissance Part I & II") / Monaka ("Matriculated")
• The Animatrix — Nonaka (voice)
• 2003The Second Renaissance Part I — Additional Voices (voice)
• 2003The Second Renaissance Part II — Additional Voices (voice)
• Commander Cork
• 2002Globehunters: An Around the World in 80 Days Adventure — Dr. Burke (voice)
• 2001A Johnny Bravo Christmas — Leo / TV Announcer (voice)
• 2001Final Fantasy: The Spirits Within — Scan Technician (voice) (uncredited)
• Invader ZIM
• The Agency — Russell Orland
• 2001The Wild Thornberrys: The Origin of Donnie — Badouk / Monkey / Poacher (voice)
• 2001Vampire Hunter D: Bloodlust — Benge / Old Man of Barbarois (voice)
• 2000CatDog and the Great Parent Mystery — Eddie (voice)
• Family Guy — Randall Fargus (voice), Clerk (voice)
• The Chimp Channel
• CatDog — Eddie the Squirrel (voice), Eddie the Squirrel / Dutch Boy / Anteater (voice), Eddie the Squirrel / Alien #1 / Scary Alien (voice), Eddie the Squirrel / Tick (voice), Eddie the Squirrel / Chicken #1 (voice), Eddie the Squirrel / Big Cat (voice)
• Fantasy Island — Greasy
• 1998The Lost World — Edward Malone
• The Wild Thornberrys — Inspector Tabu (voice), Dr. Freed / Customer (voice), Baduk / Monkey (voice), Baduk / Poacher (voice), Baduk (voice)
• 1997Get to the Heart: The Barbara Mandrell Story — Irby Mandrell
• Stargate SG-1 — The Keeper
• 1996Hart to Hart: Till Death Do Us Hart — Peter Donner
• 1996Star Trek: First Contact — Lieutenant Barclay
• Deadly Games — Nathan Adler
• Nowhere Man — Harrison Barton
• Star Trek: Voyager — Reginald Barclay
• The Outer Limits — Leviticus Mitchell
• Babylon 5 — Amis
• 1994Menendez: A Killing in Beverly Hills — Dr. Jerome Oziel
• Touched by an Angel — Dr. Adam Litowski
• Weird Science
• 1993Boomtown — Wiley Tate
• Diagnosis: Murder — Dr. Henry Wexler, Dr. Gavin Reed
• Lois & Clark: The New Adventures of Superman — Garret Grady
• 1993The Temp — Roger Jasser
• 1993Victim of Love: The Shannon Mohr Story — Dave Davis
• Walker, Texas Ranger — Lloyd Allen
• 1992Child of Rage — Rob Tyler
• 1992Last Wish — Ed Edwards
• 1992Woman With a Past — Mick
• Rugrats — Gracko (voice)
• 1990A Killer Among Us — Clifford Gillette
• 1990The Long Walk Home — Norman Thompson
• 1989Fat Man and Little Boy — J. Robert Oppenheimer
• 1989Perry Mason: The Case of the Musical Murder — Tony Franken
• Jake and the Fatman
• 1987Perry Mason: The Case of the Sinister Spirit — Andrew Lloyd
• Star Trek: The Next Generation — Lt. Barclay
• The New Alfred Hitchcock Presents — David Powell
• 1983The 1st Annual NBC Yummy Awards
• The A-Team — 'Howling Mad' Murdock
• 1983When Your Lover Leaves — Richard Reese
• 1982Alone in the Dark — Dan Potter
• 1981Bitter Harvest — Schlatter
• 1981Dial M for Murder — TV Director
• Hill Street Blues
• Nurse — Dr. Kevin Michaels
• 1981The Fan — Director
• 1981Thin Ice — Mr. Ritchie
• CHiPs

Appearances as themselves (3)

• 2026Untold Mr. T: I Pity the Fool — Self (archive footage)
• Bring Back... — Self - H.M. "Howling Mad" Murdock
• 2001Making Vampire Hunter D: Bloodlust — Self