Greg Chun is an actor who voiced Marowski, the Vault 111 overseer and Gerald Spencer in Fallout 4. In the Fallout 76 update Wastelanders, he voiced Fishbones, Dr. Lee and Free Radicals members.
Career
Greg Chun is an actor and musician born on November 11, 1971, in Evanston, Illinois, USA. His career includes roles in TV series such as Squid Game (2021-2024) as Seong Gi-Hun (English dub), One Punch Man (2015-2019) as Garou, and Grimsburg (2024-2025) as Lt. John Kang. In anime, he voiced N’Doul in JoJo’s Bizarre Adventure (2018), Muzan Kibutsuji in Demon Slayer: Kimetsu no Yaiba (2019-2024), and Takayuki Yagami in the English dub of Judgment (2019). His video game work includes Ike in Super Smash Bros. Ultimate (2018), Muzan Kibutsuji in Demon Slayer: Kimetsu no Yaiba - The Hinokami Chronicles (2021) and Demon Slayer -Kimetsu no Yaiba- Sweep the Board! (2024), and More and Narration in Metaphor: ReFantazio (2024). Other notable performances include Jentry Chau vs. The Underworld (2024) as Wallabee, Mr. Cheng, and Announcer, Barbie: A Touch of Magic (2023-2024) as George Roberts and additional voices, and Lost Judgment (2021) as Takayuki Yagami. Upcoming projects include Rosewater (2025), voicing Evan Holbrook, the wagon driver, and Dwayne Fisher.
Credits
Fallout series
| Year | Title | Credited as/for |
|---|---|---|
| 2015 | Fallout 4 | Marowski Vault 111 overseer (credited as scientist) Gerald Spencer (uncredited) |
| 2020 | Wastelanders | Fishbones (credited as Billy) Dr. Lee Free Radicals |
Other work
| Year | Title | Credited as/for |
|---|---|---|
| 2016-19 | One Punch Man | Garou |
| 2019 | Demon Slayer: Kimetsu no Yaiba | Muzan Kibutsuji |
| 2019 | Ace Combat 7: Skies Unknown | Count |
| 2019 | Shenmue III | Ren Wuying |
| 2020 | Final Fantasy VII Remake | Scotch |
| 2020 | Great Pretender | Additional Voices |
| 2020 | Ghost of Tsushima | Ujimasa / Takeshi / Various |
| 2021 | Call of Duty: Black Ops Cold War | Kapano "Naga" Vang |
| 2021-present | Squid Game | Seong Gi-hun (English) |
| 2022 | Saints Row (2022) | Kevin |
| 2023 | Diablo IV | Additional Voices |
| 2023 | Starfield | Lan Hsu / Ji Nashida |
| 2024 | Final Fantasy VII Rebirth | Scotch |
| 2025 | Rosewater | Evan Holbrook / Wagon Driver / Dwayne Fisher / Jimmy / Blackburns |