Cast & creator
Alastair Duncan
Best known for The Mentalist, CSI: Crime Scene Investigation, NCIS
Alastair Duncan is a Scottish stage, film and television actor and also works as a real estate broker.
Also known as: Neil Duncan, Neill Duncan, Alister Duncan, Alistair Duncan, Alastair Ducan
18
film credits
43
television credits
61
1983–2024 · acting roles
7.3
average across scored titles
Signature credits
Known for
Across film & television
Filmography (61)
Showing 61 of 61 credits
The Mentalist
Francis Slocombe
2008
CSI: Crime Scene Investigation
Graham Deveraux
2000
NCIS
Ron Davenport
2003NCIS
Peter Velo
2003
Bones
Heinrich Gloeckner
2005
Castle
Reginald Easley
2009
Regular Show
William / Pilgrim (voice)
2010
Charmed
Alaster
1998
Agatha Christie's Poirot
Captain Black
1989
Westworld
Cottage Father
2016
Diagnosis: Murder
Eliot Grayson
1993
Buffy the Vampire Slayer
Collins
1997
Mad Men
George Pelham
2007
Murder, She Wrote
Sgt. Colin Baxter
1984
Babylon 5
Latimere
1994
Sabrina, the Teenage Witch
Pierre Curie
1996
Angel
Collins
1999
Highlander: The Series
Terence Coventry
1992
The Batman
Alfred Pennyworth
2004
Xena: Warrior Princess
Perion
1995
The Division
2001
Sherlock Holmes
Dr. Mortimer
1984
Marvel's Avengers
Adrian Toomes / Vulture (voice)
2013
Providence
Graham Hollings
1999
Leverage
President Edwin Ribera
2008
Dragons: Race to the Edge
Additional Voices (voice)
2015
Family Law
1999
Hercules: The Legendary Journeys
Sordis
1995
Marvel's Spider-Man
Adrian Toomes (voice)
2017Marvel's Spider-Man
Thug #3 (voice)
2017
Taggart
1983Taggart
DS Peter Livingstone
1983
Tracey Takes On...
1996
Seven Days
1998
Castlevania: Nocturne
Vaublanc (voice)
2023
Miss Match
Ian
2003
The Grinder
Lord Chief Justice Pugue
2015
The Norm Show
1999
The Girl with the Dragon Tattoo
Greger
2011
The Lyon's Den
Haley's Father
2003
Chandler & Co
Paul Daley
1994
All-American Girl
Colin Whitaker
1994
Justice League: Crisis on Infinite Earths Part One
Alfred (voice)
2024
The Home Court
Paul
1995
Split Second
Durkin
1992
The Batman vs. Dracula
Alfred Pennyworth (voice)
2005
Batman: The Long Halloween, Part One
Alfred (voice)
2021
Batman: The Long Halloween, Part Two
Alfred (voice)
2021
Dead Man's Walk
Capt. Billy Falconer
1996
Batman Unlimited: Animal Instincts
Alfred Pennyworth (voice)
2015
Batman Unlimited: Mechs vs. Mutants
Alfred Pennyworth (voice)
2016
Batman Unlimited: Monster Mayhem
Alfred (voice)
2015
Tower of Terror
Gilbert
1997
Batman: The Long Halloween Deluxe Edition
Alfred Pennyworth (voice)
2022
The Hound of the Baskervilles
Dr. Mortimer
1988
The Three Stooges
Theatre manager
2000
Murder On Line One
Matt Jones
1989
Trick of the Eye
Simon
1994
The Laughter of God
Jonathon Parker
1991Sleeping with Strangers
Daniel
1994War Dogs
Brian
1994