Aaron Dismuke has had a few other roles, including a role in Big Windup. Here is a list stolen from Anime News network:
Cast in:
(English version)
Big Windup! (TV) as Yūto Sakaeguchi
Black Cat (TV) as Leon Elliott
Burst Angel (TV) as Charlie (ep 14)
D.Gray-man (TV) as Narain (eps 27, 40)
Dragon Ball Z Movie 13: Wrath of the Dragon as Minotia
Fruits Basket (TV) as Akito (Young); Hiro Sohma
Fullmetal Alchemist (TV) as Alphonse Elric
Fullmetal Alchemist: Brotherhood (TV) as Van Hohenheim (Young)
Fullmetal Alchemist: Chibi Party (OAV) as Alphonse Elric
Fullmetal Alchemist: Premium Collection (OAV) as Alphonse Elric
Fullmetal Alchemist: Seven Homunculi VS State Alchemists (OAV) as Alphonse Elric
Fullmetal Alchemist: The Movie - Conqueror of Shamballa as Alphonse Elric
(The) Galaxy Railways (TV) as Manabu Yuuki (Young; eps 1-2)
Kiddy Grade (TV) as Chevalier D'Autriche (Boy; ep 22); Yott
Linebarrels of Iron (TV) as Izuna Endo
Lupin III: Farewell to Nostradamus (movie) as Sergeo
Mushi-Shi (TV) as Yoki (ep 12); Young Ginko (ep 26)
Nabari no Ō (TV) as Hyou
Ouran High School Host Club (TV) as Yasuchika Haninozuka (ep 18)
Sgt. Frog (TV) as Soccer Player (ep 42)
Shikabane Hime: Aka (TV) as Ouri Kagami
Shikabane Hime: Kuro (TV) as Ouri Kagami
Speed Grapher (TV) as Takeshi (Young)
Spice and Wolf (TV)
(The) Tower of Druaga: the Sword of Uruk (TV) as Nakia (eps 2, 8-10)
Trinity Blood (TV) as Ion Fortunaerrorsource
Tsubasa: RESERVoir CHRoNiCLE (TV) as Nokoru
Yu Yu Hakusho: Ghost Files (TV) as Shura
And here's a link:
http://www.animenewsnetwork.com/encyclopedia/people.php?id=10246