 | Godzilla x Kong: Supernova (2027) |
 | The Fox (2026) as The Magpie (voice) |
 | Not Only Fred Dagg But Also John Clarke (2025) as Self |
 | T. REX (2024) as Self - Narrator (voice) |
 | Bring Him to Me (2023) as Frank |
 | Scarygirl (2023) as Dr. Maybee (voice) |
 | The Portable Door (2023) as Dennis Tanner |
 | Assassin Club (2023) as Caldwell |
 | Thor: Love and Thunder (2022) as Actor Odin |
 | Voice Activated (2022) as Audiobook Narrator (voice) |
 | Jurassic Greatest Moments: Jurassic Park to Jurassic World (2022) as Self |
 | Jurassic World Dominion (2022) as Alan Grant |
 | Peter Rabbit 2: The Runaway (2021) as Tommy Brock (voice) |
 | Daisy Quokka: World's Scariest Animal (2021) as Frankie Scales (voice) |
 | Rams (2020) as Colin |
 | Lindy Chamberlain: The True Story (2020) as Narrator (voice) |
 | Sea Lions: Life By a Whisker (2020) as Narrator (voice) |
 | The Show Must Go On (2019) as Self |
 | Ride Like a Girl (2019) as Paddy Payne |
 | Blackbird (2019) as Tom |
 | Palm Beach (2019) as Leo |
 | Peter Rabbit (2018) as Mr. McGregor / Tommy Brock (voice) |
 | Sweet Country (2018) as Fred Smith |
 | The Commuter (2018) as Captain Hawthorne |
 | Thor: Ragnarok (2017) as Actor Odin |
 | Tommy's Honour (2017) as Alexander Boothby |
 | David Stratton: A Cinematic Life (2017) as Self |
 | New Zealand: Earth's Mythical Islands (2016) as Narrator (voice) |
 | Hunt for the Wilderpeople (2016) as Hec |
 | The Daughter (2015) as Walter |
 | MindGamers (2015) as Kreutz |
 | Backtrack (2015) as Duncan Stewart |
 | Odyssey sur les traces de Sam Neill (2015) as God |
 | Why Anzac with Sam Neill (2015) as Self |
 | United Passions (2014) as Joao Havelange |
 | A Long Way Down (2014) as Chris Crichton |
 | River Deep, Mountain High: James Nesbitt in New Zealand (2013) as Self |
 | The Adventurer: The Curse of the Midas Box (2013) as Otto Luger |
 | Escape Plan (2013) as Dr. Kyrie |
 | The Ordained (2013) as Governor Michael Thomas Riley |
 | The Vow (2012) as Bill Thornton |
 | The Hunter (2011) as Jack Mindy |
 | 寻龙夺宝 (2011) as Chris Chase |
 | Return to Jurassic Park (2011) as Self |
 | Ice (2011) as Anthony Kavanagh |
 | Legend of the Guardians: The Owls of Ga'Hoole (2010) as Allomere (voice) |
 | The Making of Daybreakers (2010) as Self |
 | Daybreakers (2010) as Charles Bromley |
 | Under the Mountain (2009) as Mr. Jones |
 | Skin (2009) as Abraham Laing |
 | Iron Road (2009) as Alfred Nichol |
 | In Her Skin (2009) as Mr. Reid |
 | The Man in the Hat (2009) as Reader of Correspondence |
 | Dean Spanley (2008) as Dean Spanley |
 | Verity Lambert: Drama Queen (2008) as Narrator |
 | The Pixar Story (2007) as Alan Grant (archive footage) |
 | Angel (2007) as Théo |
 | The Making of 'Event Horizon' (2006) as Self |
 | Irresistible (2006) as Craig |
 | Working with a Master: John Carpenter (2006) as Self |
 | Voyage of the Nautilus (2006) as Hubert Wilkins |
 | Yes (2005) as Anthony |
 | Little Fish (2005) as The Jockey |
 | New Zild - The Story of New Zealand English (2005) as Self |
 | Gelibolu (2005) as Narrator |
| | Colin McCahon: I Am (2004) as Narrator |
 | Wimbledon (2004) as Dennis Bradbury |
 | Jessica (2004) as Richard Runche |
 | Stiff (2004) as Lionel Merricks |
 | The Making of Sleeping Dogs (2004) as Self |
 | Perfect Strangers (2003) as Man |
 | Dirty Deeds (2002) as Ray |
 | Framed (2002) as Eddie Meyers |
 | The Making Of Jurassic Park III (2001) as Self |
 | The Zookeeper (2001) as Ludovic |
 | SuperCroc (2001) as narrator |
 | Jurassic Park III (2001) as Dr. Alan Grant |
 | Submerged (2001) as Lt. Cmdr. Charles B. 'Swede' Momsen |
 | The Magic Pudding (2000) as Sam Sawnoff (voice) |
 | The Dish (2000) as Cliff Buxton - Dish Master |
 | Inside The Living Daylights (2000) as Self (archival footage) |
 | My Mother Frank (2000) as Professor Mortlock |
 | Sally Hemings: An American Scandal (2000) as Thomas Jefferson |
| | Numero Bruno (2000) as Self |
 | Bicentennial Man (1999) as Sir |
 | Molokai: The Story of Father Damien (1999) as Prime Minister Gibson |
 | The Revengers' Comedies (1998) as Henry Bell |
 | The Horse Whisperer (1998) as Robert MacLean |
 | Forgotten Silver (1997) as Self |
 | Event Horizon (1997) as Weir |
 | Snow White: A Tale of Terror (1997) as Lord Friedrich Hoffman |
 | The Rainbow Warrior (1997) as Chief Inspector Alan Galbraith |
 | Children of the Revolution (1996) as David 'Dave' Hoyle, aka Agent 'Nine' |
 | Victory (1996) as Mr. Jones |
 | Restoration (1995) as King Charles II |
 | Cinema of Unease: A Personal Journey by Sam Neill (1995) as Narrator / Host |
 | The Making of 'Jurassic Park' (1995) as Self / Alan Grant |
 | In the Mouth of Madness (1995) as John Trent |
 | The Jungle Book (1994) as Colonel Geofferey Brydon |
 | Fever (1994) as Elliot |
 | Country Life (1994) as Dr. Max Askey |
 | Masters of Illusion: The Wizards of Special Effects (1994) as Self |
 | Sirens (1994) as Norman Lindsay |
 | Split Enz: Spellbound (1993) as Narrator |
 | Jurassic Park (1993) as Grant |
 | The Piano (1993) as Alisdair Stewart |
 | Inside 'The Piano' (1993) as Self |
 | Hostage (1992) as John Rennie |
 | Memoirs of an Invisible Man (1992) as David Jenkins |
 | One Against the Wind (1991) as Major James Leggatt, The Guards |
 | Bis ans Ende der Welt (1991) as Eugene Fitzpatrick |
 | Death in Brunswick (1991) as Carl |
 | Shadow of China (1990) as TV Reporter |
 | The Hunt for Red October (1990) as Capt. 2nd Vasily Borodin |
 | Cowboys of Culture (1990) as Self |
 | La Révolution française (1989) as Marquis de Lafayette |
 | Dead Calm (1989) as John Ingram |
 | Evil Angels (1988) as Michael Chamberlain |
 | Question of Faith (1988) as Oscar Ogg |
 | The Good Wife (1987) as Neville Gifford |
 | For Love Alone (1986) as James Quick |
 | Strong Medicine (1986) as Vince Lord |
 | Plenty (1985) as Lazar |
 | Robbery Under Arms (1985) as Capt. Starlight |
 | The Blood of Others (1984) as Bergman |
 | The Country Girls (1983) as Mr. Gentleman |
 | Enigma (1982) as Dimitri Vasilikov |
 | Attack Force Z (1982) as Sergeant Costello |
 | Ivanhoe (1982) as Brian de Bois-Guilbert |
 | From a Far Country (1981) as Marian |
 | Possession (1981) as Mark |
 | The Final Conflict (1981) as Damien Thorn |
 | The Journalist (1979) as Rex |
 | Just Out Of Reach (1979) as Mike |
 | My Brilliant Career (1979) as Harry Beecham |
 | Surf Sail (1978) as Narrator (voice) |
 | Sleeping Dogs (1977) as Smith |
 | Architect Athfield (1977) as Narrator |
 | Four Shorts on Architecture (1975) as Narrator (voice) |
 | Ashes (1975) as Priest |
 | Landfall (1975) as Eric |
 | Hunt's Duffer (1973) as Bradley |
 | The Water Cycle (1972) |
 | The City of No (1971) |
| | Mystery Ride as Duncan Connelly |
| | The Last Resort as Gerard |
 | The Brush-Off Director |
| | The Brush-Off Producer |
| | Stiff Producer |
| | Cinema of Unease: A Personal Journey by Sam Neill Director |
| | Cinema of Unease: A Personal Journey by Sam Neill Writer |
 | On the Road with Red Mole Director |
| | On the Road with Red Mole Writer |
| | Surf Sail Director |
 | New Country - New People Director |
 | Flare - A Ski Trip Director |
| | Architect Athfield Director |
| | Four Shorts on Architecture Director |
| | Four Shorts on Architecture Writer |
| | Four Shorts on Architecture Editor |
 | Phone Director |
| | Phone Writer |
| | Phone Editor |
 | The Sealhunters Editor |
