In the Once Upon a Time episode “Her Handsome Hero,” in the Underworld, Gaston is provoked by Hades (Greg Germann) to seek revenge on Rumplestiltskin (Robert Carlyle) who’s been asked by Belle (Emilie de Ravin) to protect her child from Hades (oh, and without using dark magic).
Gaston is portrayed by Wes Brown. He’s known for his roles on Deception (Julian Bowers), 90210 (Taylor Williams), Hart of Dixie (Dr. Judson Lyons), Private Practice (Ryan Kerrigan), and True Blood (Luke McDonald), among others. Brown is also recognized for his role as Kate Mara‘s boyfriend Chris Griffen in We Are Marshall. Once Upon a Time airs Sundays at 8pm on ABC.