William Morgan Sheppard

Strongroom1962

Alec

Marat-Sade1967

A Mad Animal

Tell Me Lies1968

Apparition

Churchill's People1974

Sabinianus

Antony and Cleopatra1975

Scarus

Chapeau melon et bottes de cuir1976

Walters

Les Duellistes1977

Fencing Master

The Nativity1978

Flavius

Rebecca1979

Ben

The Legend of King Arthur1979

Gorlois

Keep Smiling1980

Apparition

Le Commando de Sa Majesté1980

'Patch' Lovecroft

Voltan le barbare1980

Ranulf

Shōgun1980

Specz

Elephant Man1980

Man in Pub

Carpathian Eagle1980

Hospital Gardener

Masada1981

Sergeant

The Day of the Triffids1981

Bill's Father

La Forteresse noire1983

Alexandru

Signé Lassiter1984

Sweeny

Les folles aventures de Robin des Bois1984

Saxon Thief

Arabesque1984

Dr. Fredrick Grundberg

Les Douze Salopards 2 Nouvelle Mission1985

German General

Max Headroom: 20 Minutes into the Future1985

Blank Reg

MacGyver1985

Dr. Zito

Le Docteur et les Assassins1985

Landlord

Theban Plays: Oedipus at Colonus1986

Chorus

Max Headroom1987

Blank Reg

Gunsmoke: Return to Dodge1987

Digger McCloud

Star Trek : La Nouvelle Génération1987

Dr. Ira Graves

Cry Freedom - Le cri de la liberté1987

Policeman (as Morgan Sheppard)

Elvira, maîtresse des ténèbres1988

Vincent Talbot

Le dindon de la farce1988

Pa

Code Quantum1989

Gooshie, the Miner

Sailor et Lula1990

Mr. Reindeer

Star Trek VI : Terre inconnue1991

Klingon Commander

There Goes the Neighborhood1992

Trick Bissell

Le Bazaar de l'épouvante1993

Father Meehan

Seaquest - Police des mers1993

The Professor

SeaQuest DSV1993

The Professor

Frasier1993

Mr. Drake

Gettysburg1993

Maj. Gen. Isaac R. Trimble / Narrator

Babylon 51994

Warleader G'Sten

Good King Wenceslas1994

Tomas

Following Her Heart1994

Father

Star Trek : Voyager1995

Qatai

American Gothic1995

Mr. Emmett

Les Enfants du Diable1996

Father Archer Roberts

The Lottery1996

Mayor Warner

Goldrush: A Real Life Alaskan Adventure1998

Whiskers

The Escape1998

Long

Nether World1998

Old Timer

Charmed1998

Merrill

Treasure of Pirate's Point1999

Charles Vane

The Hungry Bachelors Club1999

Mr. Ringold

Gilmore Girls2000

Town Elder

Alias2001

Milo Sabine

Small Town Conspiracy2002

Apparition

Small Town Conspiracy2003

Taylor

Gods and Generals2003

Gen. Isaac Trimble

NCIS : Enquêtes Spéciales2003

Marcin 'Mr. Pain' Jerek

Doctor Who2005

Canton Delaware

Philadelphia2005

Father Cullen

Esprits criminels2005

John Caulfield

Le Voyage d'une vie2005

Scottie

Dexter2006

Apparition

Le Roman d'une vie2006

Scottie

Le Prestige2006

Merrit

Along the Way2007

Apparition

Transformers2007

Captain Witwicky

Mad Men2007

Robert Pryce

Le Fantôme de mon ex-fiancée2008

Father Marks

Star Trek2009

Vulcan Science Minister (uncredited)

Meeting Spencer2010

Larry Lind

L'arbre des voeux2010

Kris Kringle

For Christ's Sake2011

Father Monahan

Mysterious Island2012

Captain Nemo

The Last Mark2012

Uncle Bill

The Devil's Dozen2013

Apparition

April Apocalypse2013

Pops

Flynn Carson et les nouveaux aventuriers2014

Teddy Chislington

Last Man Club2016

Will Hodges

That Guy... Who Was In That Thing 3: Trek Stars2019

Self

A World War II Fairy Tale: The Making of Michael Mann's 'The Keep'2025

Self