Dennis O'Neil
Actor
Filmography
| 2023 | Superpowered: The DC Story · as Self |
| 2020 | Joker: Put on A Happy Face · as Self |
| 2018 | Waiting - The Van Duren Story · as Self |
| 2013 | Masterpiece: Frank Miller's the Dark Knight Returns · as Himself |
| 2013 | Superheroes: A Never-Ending Battle · as Self |
| 2013 | |
| 2012 | Comic Book Men · as SelfOn Plex |
| 2010 | Secret Origin: The Story of DC Comics · as Self |
| 2008 | Batman Unmasked · as Self |
| 2006 | The Science of Superman · as Self |
| 2006 | |
| 2003 | Comic Book Superheroes Unmasked · as Self |
| 2001 | Comic Books & Superheroes · as Self |
| 2010 | 100 Questions · as Guy |
| 2026 | Batman Knightfall Part 2: Knightquest · as Comic Book |
| 2026 | Batman: Knightfall - Part 1: Knightfall · as Comic Book |
| 2025 | Batman Ninja vs. Yakuza League · as Characters |
| 2024 | Batman: Caped Crusader · as Characters |
| 2024 | Justice League: Crisis on Infinite Earths - Part Three · as Characters |
| 2024 | Justice League: Crisis on Infinite Earths - Part Two · as Characters |
| 2024 | Madame Web · as Characters |
| 2022 | Green Lantern: Beware My Power · as Characters |
| 2021 | Batman: Soul of the Dragon · as Characters |
| 2020 | Justice League Dark: Apokolips War · as Characters |
| 2020 | Deathstroke: Knights & Dragons · as Characters |
| 2019 | Batman vs Teenage Mutant Ninja Turtles · as Characters |
| 2018 | Suicide Squad: Hell to Pay · as Characters |
| 2016 | Batman: Bad Blood · as Characters |
| 2010 | Young Justice · as Characters |
| 1992 | Batman: The Animated Series · as Story |