Sandra Vandroux is a French voice actress recognized for her extensive work in dubbing anime series and films for French-speaking audiences. Her career is built on a foundation in live theater, which began in the 1990s with performances in classic and contemporary plays under directors such as Jean Lambert Wild and Philippe Calvario. This background in dramatic arts informs her character work in voice acting, and she continued to cultivate her stagecraft through numerous training workshops and master classes into the late 2010s. Her transition into dubbing and voice-over work began in the early 2000s.

Vandroux has built an extensive portfolio of voice roles across a diverse range of popular anime series. She is the French voice of Emi Akezawa in Baki the Grappler. In the Sword Art Online franchise, she voices Silica, also known as Keiko Ayano, in the main series, and she takes on the role of Llen, or Karen Kohiruimaki, in the spin-off Sword Art Online Alternative: Gun Gale Online. Within the Fate franchise, she has voiced both Sakura Matou and Rider in Fate/stay night and its film adaptation. Other notable anime credits include Sayaka Igarashi and Yumemi Yumemite in Kakegurui, Ennis and Miria Harvent in Baccano!, Yui and Iwasawa Masami in Angel Beats!, and Ringo in Casshern Sins.

Vandroux has also contributed to a wide variety of other anime, with roles in series such as Accel World, Deadman Wonderland, Rosario+Vampire, Kids on the Slope, When They Cry, and A.I.C.O. Incarnation. Beyond anime, she has been active in dubbing for major streaming platforms, providing voices for the GLITTER FORCE series, including the characters Candy and Glitter Ace, as well as for live-action series such as Black Mirror, where she voiced characters in the episodes San Junipero and Crocodile. Her professional profile notes skills in voice-over for commercials, documentaries, corporate films, and video games. Her vocal range includes child, adolescent, young adult, and adult female voices, with a medium tone, and she speaks English and Spanish in addition to her native French. Vandroux holds a degree in Modern Letters from the Université Jean Moulin Lyon 3, and her ongoing training includes a master class with actress Danielle Fichaud. Beyond voice acting, she has worked in theater, television, and short films, and has written and performed in an autobiographical stage piece titled Vidange.