Chief Pachacamac (voice)
Knuckles (2024)
Self
The Center Seat: 55 Years of Star Trek (2021)
Expedice: Návrat do budoucnosti (2021)
Reunited Apart (2020)
Stars in the House (2020)
Commissioner Helgait
Mandalorian (2019)
Lou Vitore
The Conners (2018)
Christopher Lloyd
A Million Little Things (2018)
James Cameron: Příběh sci-fi (2018)
Melvin
A.P. Bio (2018)
The Missionary
12 opic (2015)
The Missionary (uncredited)
Zalmon Shaw / The Missionary
The Woodsman (voice)
Za zdí zahrady (2014)
Himself
The Real History of Science Fiction (2014)
Buenas noches (2014)
Principal McTavish
The Michael J. Fox Show (2013)
The Wizard of Oz
The Witches of Oz (2011)
Grandpa Walt Montgomery
Hodina duchů (2010)
Live from Studio Five (2009)
Prof. Daniel Lehman
Asteroid Kassandra (2009)
Tesselink
Rytíři krvavé oceli (2009)
Roscoe Joyce
Hranice nemožného (2008)
Dr. Leo Dreyfus
Chuck (2007)
Theodore
Teorie velkého třesku (2007)
The Alan Titchmarsh Show (2007)
Head Case (2007)
Martin Kahn
Agentura Jasno (2006)
Mistři hrůzy (2005)
Dr. Emmett Brown (archive footage) (uncredited)
VM Show Vol. 2 (2005)
Harold March
Stacked (2005)
Vražedná čísla (2005)
Lou Russo
Clubhouse (2004)
Professor Toone
I Dream (2004)
The Tony Danza Show (2004)
Joseph Smith
Námořní vyšetřovací služba (2003)
Dr. Cletus Poffenberger
Tremors (2003)
Hacker (voice)
Cyberchase (2002)
Carmine
Zákon a pořádek: Zločinné úmysly (2001)
Burt Kiffle
Ed (2000)
Walter
Malcolm v nesnázích (2000)
Professor Lawrence Lessig
Západní křídlo (1999)
Smitty (voice)
Tatík Hill a spol. (1997)
Owen Kingston
Všichni starostovi muži (1996)
Owen Kingston (archive footage)
Jordan Kenneth Lloyd
Deadly Games (1995)
Continental Op
Fallen Angels (1993)
Emmett Brown
Back to the Future (1991)
Reverend Jim Ignatowski (voice)
Simpsonovi (1989)
Professor B.O.Beanes
Neuvěřitelné příběhy (1985)
Anthony Corrido
Street Hawk (1985)
Phillip Semenko
Na zdraví (1982)
The Calico Kid
Best of the West (1981)
Semi-Tough (1980)
Hans Bogardus
The Word (1978)
Reverend Jim Ignatowski
Taxi (1978)
Reverend Jim 'Iggy' Ignatowski
Self - Cameo (uncredited)
Saturday Night Live (1975)
Arnold Scully
Barney Miller (1975)
Vincent Carew
Self - Performer (uncredited)
Tony Awards (1956)