Rayner Gabriel is a voice actor known for their work in English dubs of anime and in dramatized audiobook adaptations. They are also recognized under the name Rayner Garranchan, a credit under which they have performed voice roles and served in production capacities such as ADR director and dubbing director.

Gabriel's career in anime voice acting includes a variety of roles across several series. A notable performance is the character Fernando in the original net anime OBSOLETE. Other anime credits include voicing Ryō Ishisaki in Captain Tsubasa, Soichiro Kumatori in My Deer Friend Nokotan, and roles in the English adaptations of Gintama and Case Closed. In addition to these, Gabriel has provided voices for other animated projects, such as Miniforce X.

Beyond on-screen voice work, Rayner Gabriel has taken on significant behind-the-scenes roles in anime production. Under the name Rayner Garranchan, they are credited as the ADR director for series including Gintama and Mecha-Ude, and as the dubbing director for OBSOLETE. This indicates a role in overseeing the English voice adaptation process for these titles.

In addition to anime, a substantial part of Gabriel's career involves voice work for dramatized adaptations of audiobooks. They have been a cast member for numerous productions in this medium, frequently collaborating with a consistent group of voice actors. Examples of these projects include the Riyria Revelations series, the Murderbot Diaries series, the A Court of Thorns and Roses series, and various westerns and fantasy titles from authors like William W. Johnstone and Shannon Mayer.