







Xếp hạng theo doanh thu phòng vé Việt Nam (Box Office Vietnam).
| 2026 | The Barn Part III | — |
| 2025 | Thy Will Be Done | Todd Cotton |
| Lookout Weekend: Cruel Summer IV | Sgt. Rossi | |
| Infernal | Dewayne | |
| The Bleeding Dark | John Barrow | |
| 2024 | Christmas Cowboy | Colton Byers |
| My Redneck Neighbor: Chapter 1 - The Rednecks Are Coming | Dirk Reddick | |
| My Redneck Neighbor: Chapter 2 - Let the Games Begin | Dirk Reddick | |
| 2023 | Cơn Thịnh Nộ Của Becky | Twig |
| 2022 | American Bigfoot | Wesley Harlin |
| Hellblazers | Bernard | |
| 2021 | River | Dr. Michael Glenn |
| Queen Bees | Biker | |
| 2020 | Trò Chơi Của Quỷ | Dr. Hewitt |
| 2019 | Josh Hasty's Candy Corn | Sheriff Sam Bramford |
| The Silent Natural | Tug Wilson | |
| 2018 | Deadly Crush | Lawrence |
| Camp Cold Brook | John Brierwitz | |
| Kẻ Diệt Quỷ | Detective Holloway | |
| Hell's Kitty | Mordicia | |
| 2017 | Scramble | Canada Rick |
| Urban Myths | Stanley | |
| Goodnight, Gracie | Billy | |
| It Happened One Valentine's | Freddy Craig | |
| 2016 | Prettyface | — |
| 2015 | The Funhouse Massacre | Dennis |
| Halcyon | Robert | |
| Field of Lost Shoes | Capt. Chinook | |
| 2014 | There Goes the Neighborhood: The Making of The 'Burbs | Self |
| My Trip Back to the Dark Side | Bobby G. | |
| 2013 | The House Across the Street | Ned |
| 2012 | Ambush at Dark Canyon | Sheriff Hurley |
| 2011 | Mimesis | Gordon |
| Poolboy: Drowning Out the Fury | Gil Highdecker | |
| Discipline | Jack Baldwin | |
| 2010 | Nhanh Hơn | Telemarketer |
| Raven | Danny | |
| The Quiet Ones | Michael's Father | |
| Cinema Salvation | Courtney | |
| The Ascent | Andrew | |
| 2009 | Shadowheart | Finch |
| Benny Bliss and the Disciples of Greatness | Benny Bliss | |
| Tattoos: A Scarred History | Self | |
| 2008 | Alien Encounter | Donovan |
| 2007 | Halloween | Jack Kendall (uncredited) |
| 2006 | The Phobic | Dr. Cecil Westlake |
| Desolation Canyon | Jack McCallister | |
| 2004 | Harvesting Horror: Children of the Corn | Self |
| 2003 | National Lampoon Presents Dorm Daze | Lorenzo "The Black Hand" |
| 2002 | Sweet Home Alabama | Sheriff Wade |
| 2000 | Beaver Trilogy | — |
| Dreamers | Mike | |
| 1999 | Her Married Lover | Hood |
| King Cobra | Dr. Joseph McConnell | |
| No Code of Conduct | Cameron | |
| 1998 | The Landlady | Tyson Johns |
| The Killing Grounds | Vincent Reynosa | |
| Shadow of Doubt | Ernie | |
| 1997 | Behind Enemy Lines | Church |
| Dilemma | Tex | |
| 1994 | Runaway Daughters | Deputy 1 |
| In the Line of Duty: The Price of Vengeance | Barlow | |
| 1990 | Memphis Belle | Eugene McVey |
| 1989 | The 'Burbs | Hans Klopek |
| 1988 | Colors | Whitey |
| 1987 | Đám Cưới Mùa Mưa | Kenneth Wurman |
| Winners Take All | Goose Trammel | |
| American Harvest | Chips | |
| 1986 | Ratboy | Kid in Car |
| 1985 | The Orkly Kid | — |
| Trở Về Tương Lai | Dixon | |
| Secret Admirer | Doug | |
| Lust in the Dust | Red Dick Barker | |
| 1984 | Hardbodies | Rag |
| Welcome Home, Jellybean | Joe Newbolt | |
| Những Đứa Trẻ Của Đồng Ngô | Malachai |
| 2019 | Josh Hasty's Candy Corn | Producer |
| 2017 | 9/11 | Co-Producer |
| 2003 | National Lampoon Presents Dorm Daze | Co-Executive Producer |
Theo dữ liệu phòng vé Việt Nam (Box Office Vietnam), Courtney Gains có 1 phim với tổng doanh thu 398.7 tr.
Phim doanh thu cao nhất là "Trò Chơi Của Quỷ" (2020) với 398.7 tr tại phòng vé Việt Nam.
Courtney Gains là diễn viên, sinh tại Los Angeles County, California, USA.