A search for information about Tom Henry as an anime voice actor reveals that he is also known professionally by the name Tom Cullum, which is listed as his birth name. His voice acting career appears to be focused on English dub productions for anime series.

One of his credited roles includes the character Sekime in the series Hanazakari no Kimitachi e, which is also known as Hana-Kimi. He also provides the English voice for Yusaku Kudo in the long-running series Detective Conan, also known as Case Closed. In the popular series Spy x Family, he is credited as voicing General and providing additional voices. His other notable roles include voicing King Bekori in an unspecified series and Charlotte Brownie in One Piece.

His broader body of work under the name Tom Cullum includes a substantial number of anime titles. He has contributed additional voices to series such as Heaven Official's Blessing and Link Click. He is cast in the English versions of numerous other shows, including Frieren: Beyond Journey's End, where he plays the Sword Mountain Lord; Kaiju No. 8; Mobile Suit Gundam: The Witch From Mercury; and Vinland Saga. In Overlord: The Sacred Kingdom, he has a role, and in Trapped in a Dating Sim: The World of Otome Games is Tough for Mobs, he voices Vince Rapha Redgrave. Additional roles include Cybil in I May Be a Guild Receptionist, Menneth in I Shall Survive Using Potions!, and Margrave Taicone in The Unaware Atelier Master.

No information was available regarding specific recurring collaborations with other voice actors or directors, nor were any notable achievements such as awards or nominations found in the search results.