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Greg Baldwin
Greg Baldwin.jpg
Baldwin in 2023
  • Voice actor
  • theatre actor
Years active 2004–present
Political party Democratic
Melissa Baldwin
(m. 1984)
Children 2

Greg Baldwin is an American voice actor and theatre actor. He is most notable for frequently serving as a voice double for the late Mako Iwamatsu.


Baldwin has worked in the theater extensively as Sidney Lipton in God's Favorite, Mushnik in Little Shop of Horrors, Dr. Zubritsky in Neil Simon's Fools, Count Otto Von Bruno in Bullshot Crummond, and the Baker in The Baker's Wife.

Successor of Mako Iwamatsu

Contrary to internet rumors of being Mako Iwamatsu’s understudy in preparation for voicing Iroh in Avatar: The Last Airbender, Baldwin had actually earned the part by auditioning for it. He first began voicing the character for brief pieces of dialogue in the show’s second season due to Iwamatsu being unable to record for them before passing on, all of which were mixed in with the material Iwamatsu already completed. Baldwin would later voice the character full-time for the final season, various video games based on the franchise, and for the second and third seasons of The Legend of Korra.

Before The Last Airbender's final season aired, Baldwin also performed a substantial portion of Splinter's dialogue in the movie TMNT after Mako died during production. His recordings would once again be mixed in with Iwamatsu’s, thanks to their uncanny similarities.

Nearly six months after The Last Airbender concluded, Baldwin would once again succeed Iwamatsu by voicing Aku in the 2009 video game Cartoon Network Universe: FusionFall. And nearly three years after Korra concluded production, and after Iroh’s final appearance in Season 3’s “The Ultimatum”, Baldwin reprised the role of Aku for the fifth season of Samurai Jack. In 2020, he’d later play Aku once again in the Samurai Jack: Battle Through Time video game.

At the time the fifth season of Samurai Jack was being released, series creator Genndy Tartakovsky was asked about Baldwin's casting and made the following statement in an interview with The Verge:

"It was hard. For a while, I thought we should reimagine Aku with a different voice, perhaps even use a different character. But then I realized I love Aku too much, so we auditioned a few people, and Greg really did the best job. Honestly, nobody can replace Mako, he was that special, that unique, especially the performance he made for Aku. But Greg did really well. On the last episode, Mako’s daughter and grandson came by, and they watched him record, and they were crying. It was really amazing, because they heard the voice of their dad and grandfather."

Other works

Aside from often serving as a voice double for Iwamatsu, Baldwin has also voiced original characters for both Samurai Jack and the Avatar franchise, as well as for various TV shows and video games outside of those two series. He provided the voices of multiple characters in Star Wars: The Clone Wars and Lego Star Wars: The Freemaker Adventures, and he made a guest appearance in SpongeBob SquarePants, Curious George, and The Marvelous Misadventures of Flapjack.

Baldwin was credited as the original actor for Atlas/Frank Fontaine, the main antagonist in BioShock; he was replaced by Karl Hanover in the final version of the game, and the character's original Southern drawl was changed into an Irish accent. His voice can also be heard in numerous other video games, including Tom Clancy's Rainbow Six: Lockdown, Assassin's Creed: Brotherhood, F.E.A.R. and Fallout 4.

On April 2, 2021, Baldwin announced that he was cast in an undisclosed original role for the Disney Television Animation program, The Ghost and Molly McGee. Upon release, Baldwin’s role was later revealed to be one of the members of the Ghost Council, and the show’s second season revealed his character’s name to be Bartholomew. Baldwin would also go on to provide additional voices for the series.

In a rare live-action performance, he appeared as communist writer Dutch Zweistrong in Hail, Caesar!.

Personal life

Baldwin currently resides in Albuquerque with his wife Melissa Baldwin. Together they have two children, Sydney and Cooper.

According to an interview with The Dot and Line, Baldwin was able to fill-in for Mako on his voice roles by listening to the cast album of Pacific Overtures, a musical that Mako starred in, which was a personal favorite album of Baldwin’s.

In May of 2023, Baldwin posed the question on his Twitter account as to whether he should run for Governor of New Mexico in 2026. The next month, Baldwin had confirmed he was in the running in the 2026 New Mexico gubernatorial election on his Instagram under the Democratic Party.



List of voice performances in feature films
Year Title Role Notes
2007 TMNT Splinter Grouped under "Additional Voices"


List of voice performances on television
Year Title Role Notes
2004 Xiaolin Showdown Daddy Bailey Episode: "Big as Texas"
2004–05 Brandy & Mr. Whiskers Boris, Talk Show Host, Monkey 3 episodes
2007–08 Avatar: The Last Airbender Uncle Iroh, Additional Voices 10 episodes
2007 SpongeBob SquarePants Jack M. Crazyfish Episode: "Blackened Sponge"
2009 Curious George Morty the Cab Driver Episode: "Wheels on the Bus"
The Marvelous Misadventures of Flapjack Sir Pattington, Constable Episode: "Diamonds in the Stuff"
2010–12 Star Wars: The Clone Wars Tera Sinube, Casiss, Serapis, Gwarm, Doge Urus 7 episodes
2013–14 The Legend of Korra Uncle Iroh, Additional Voices 4 episodes
2016–17 Lego Star Wars: The Freemaker Adventures Furlac, Ranat, Additional Voices 4 episodes
2017 Samurai Jack Aku, Ringo, Orc Captain, Additional Voices 7 episodes
2021–present The Ghost and Molly McGee Bartholomew, Additional Voices 7 episodes

Video games

List of voice performances in video games
Year Title Role
2005 Tom Clancy's Rainbow Six: Lockdown Additional Voices
Dungeons & Dragons: Dragonshard
F.E.A.R. Norton Mapes, Additional Voices
2006 Gothic 3 Zuben
Medieval II: Total War Additional Voices
Cars Lenny
2007 Cars Mater-National Championship
BioShock Frank Fontaine
Avatar: The Last Airbender – The Burning Earth Uncle Iroh, Additional Voices
2008 Kung Fu Panda Master Oogway
Avatar: The Last Airbender – Into the Inferno Uncle Iroh, Combustion Man, Fire Nation Soldier
Spider-Man: Web of Shadows Jackal, Mysterio
Aion: Upheaval Additional Voices
White Knight Chronicles
2009 Cartoon Network Universe: FusionFall Aku
Cars Race-O-Rama Additional Voices
2010 Assassin's Creed: Brotherhood
Valkyria Chronicles II Gilbert Gassenari
2011 Rango Brawler #2, Jumper #2, Charger #2
The Elder Scrolls V: Skyrim Additional Voices
Kinect: Disneyland Adventures
2014 The Legend of Korra Uncle Iroh
2015 Fallout 4 Proctor Teagan
2020 Ghost of Tsushima Additional Voices
Samurai Jack: Battle Through Time Aku


List of acting performances in film and television
Year Title Role Notes
2016 Hail, Caesar! Dutch Zweistrong
2016–18 Adam Ruins Everything Various 4 episodes


  • Bullshot Crummond – Count Otto Von Bruno
  • God's Favorite – Sidney Lipton
  • Little Shop of Horrors – Mushnik
  • The Baker's Wife – The Baker
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