Graham James McTavish (born 4th January 1961, Glasgow, Scotland) is a Scottish actor. He played Warden Ackerman in Series 8 of Red Dwarf.


After several years working as a stage actor, McTavish began working in television and films during the 1980s. His television work before Red Dwarf included Casualty, Taggart and Highlander. He also made the films Erik the Viking and The Wind in the Willows.

His role as Ackerman was his biggest television role at the time. Since Red Dwarf he has starred in many big TV productions including Lost, Prison Break, CSI Miami, Sharpe and 24. His film roles have included Ali G Indahouse, Rambo, King Arthur, Colombiana and The Hobbit Trilogy.

He has also made an extensive career as a voice artist. He has provided voices for several Marvel villains, video        game characters and cartoons.


McTavish invented an extensive history for the character of Ackerman, in order to help with his performance. He suggested that Ackerman had a strict upbringing, a wardrobe filled with strange uniforms and a sizable arsenal.

Selected Filmography


Year Film Role Notes
1988 For Queen & Country Lieutenant
1989 Erik the Viking Thangbrand voice
1996 The Wind in the Willows Drunken Weasel
1999 Macbeth Banquo
1998 Merlin Rengal
1999 King Lear Duke of Albany
2003 Ali G Indahouse Police Officer
2003 dot the i Detective
2004 King Arthur Roman Officer
2008 Rambo Lewis
2008 Sisterhood Martin
2009 Hulk Vs. Loki voice
2009 Green Street 2: Stand Your Ground Big Marc Turner
2009 Middle Men Ivan Sokoloff
2009 Penance Greeves
2009 Pandemic Captain Riley
2010 Dante's Inferno: An Animated Epic Dante voice
2010 Secretariat Earl Jansen
2011 Dead Space: Aftermath Captain Campbell voice
2011 Colombiana Head Marshall Warren
2011 The Wicker Tree Sir Lachlan Morrison
2012 The Hobbit: An Unexpected Journey Dwalin
2013 The Hobbit: The Desolation of Smaug Dwalin
2014 The Hobbit: The Battle of the Five Armies Dwalin


Year Program Role Notes
1986 Return to Treasure Island Ned 1 episode
1996 Highlander: The Series Charlie 1 episode
1998-2005 Taggart Col. Ian Sinclair, Robin Caldwell 2 episodes
1998-2005 Casualty Gerry Talbot, George Naseby 6 episodes
1999 Red Dwarf Warden Ackerman 8 episodes
1999 Heartbeat Derek Flowers 1 episodes
2001 Doctors Paul Brookes 1 episode
2002 Celeb Steve 1 episode
2002 Rose and Maloney Jackson 1 episode
2002 Dinotopia Ajax 1 episode
2003 Rosemary & Thyme D.I. Taylor 1 episode
2003 The Last King Captain 2 episodes
2004 Murder City 1 episode
2004 Murphy's Law Al Leyton 1 episode
2005 What's New, Scooby Doo? voice, 1 episode
2005 Empire General Rapax 6 episodes
2005 Rome Urbo 2 episodes
2005 The Bill Peter Larson 6 episodes
2007 New Tricks Jason Ferris 1 episode
2007 Jekyll Gavin Hardcastle 1 episode
2007 Numb3rs John Corcoran 1 episode
2007 NCIS Aleksei 1 episode
2007 The Royal Anthony Poole 1 episode
2007 Cane Neville 1 episode
2008 Lost Sergeant 1 episode
2008 CSI: Miami Mitch Davis 1 episode
2008 Pushing Daisies Hansel Von Getz 1 episode
2008 Prison Break Ferguson 4 episodes
2009 Wolverine and the X-Men Sebastian Shaw voice, 4 episodes
2009 Ghost Whisperer Gordon Bradley 1 episode
2010 24 Mikhail Novakovich 7 episodes
2010 The Good Guys Dolph 1 episode
2010-2011 The Avengers: Earth's Mightiest Heroes Loki voice, 4 episodes