Kathryn Felicia Day is an American actress, known for her work as "Vi" on the TV series Buffy the Vampire Slayer and for parts in movies such as Bring It On Again and June, as well as the Internet musical, Dr. Horrible's Sing-Along Blog. Day is also the star, script writer and producer of the original web series The Guild, a show loosely based on her life as a gamer, which is directed by Sean Michael Becker. She is a member of the Board of Directors of the International Academy of Web Television. Felicia made her gaming debut appearance in Fallout: New Vegas, where she provided her voice for Veronica Santangelo.

Filmography

• 2026Double Click — Jenna (voice)
• 2025Exes — Jen
• The Mighty Nein — Cree (voice)
• 2025Tim Travers and the Time Traveler's Paradox — Delilah, Executive Producer
• 2024Rhett & Link's Wonderhole — Draven the Technonaut (voice)
• Rhett & Link's Wonderhole — Draven the Technonaut (voice)
• 2024The Ugly Chickens — Paula
• Adventure Time: Fionna and Cake — Betty (voice)
• Monster High — Ghoulia Yelps (voice)
• Mystery Science Theater 3000 — Kinga Forrester, Writer
• The Legend of Vox Machina — Captain / Bandit 2 (voice)
• 2020Pooka Lives! — Molly
• 2019Chasing Molly — Kaitlin
• The Aquabats! RadVentures! — Spider Hunter
• Her Shorts — Haley
• 2018Stuck — Robin
• The Aquabats! Saturday Morning!
• The Rookie — Dr. Morgan
• Danger & Eggs — Francesca (voice)
• Marvel's Spider-Man — Mary Jane (voice)
• Mystery Science Theater 3000 — Kinga Forrester, Writer
• 2017We Love You, Sally Carmichael! — Sarah
• Be Cool, Scooby-Doo! — Violet Oberon (voice)
• Con Man — Karen
• Critical Role — Lyra
• Kittens in a Cage — Young Josephine
• The Magicians — Poppy
• We Bare Bears — Karla (voice)
• 20148-bit Haunted Dance Party — Executive Producer
• 2014Annoying Orange: Movie Fruitacular — Ginger Root
• 2014Lust for Love — Mary
• The Librarians — Charlotte
• 2014Werewolves — Elenor, Executive Producer
• Co-Optitude — Self, Creator
• Outlands — 84 (voice), Producer
• My Gimpy Life — Felicia
• MyMusic — Gorgol
• 2012Rock Jocks — Alison
• The High Fructose Adventures of Annoying Orange — Peach (voice)
• 2011Chronicles of Humanity: Descent — Amanda Wood (voice)
• Dragon Age: Redemption — Tallis, Creator
• Adventure Time — Betty (voice)
• Fish Hooks — Angela (voice)
• Generator Rex
• My Little Pony: Friendship Is Magic — Pear Butter (voice)
• 2010Red: Werewolf Hunter — Virginia Sullivan
• The Jeff Lewis 5 Minute Comedy Hour — Office Worker
• Dollhouse — Mag
• Lie to Me — Miss Angela
• Roommates — Alyssa
• Three Rivers
• 2008Commentary! The Musical
• 2008Dear Me — Pipsy
• Dr. Horrible's Sing-Along Blog — Penny
• 2008Prairie Fever — Blue
• The Legend of Neil — Fairy
• The Guild — Codex, Producer, Executive Producer, Writer, Creator
• Eureka — Holly Marten
• 2006God's Waiting List — Trixie
• Windfall — Danielle
• Love, Inc. — Natalie
• 2005Mystery Woman: Vision of a Murder — Emily Claire
• Supernatural — Charlie Bradbury
• 2005Warm Springs — Eloise Hutchinson
• 2004Bring It On Again — Penelope
• Century City — Sheryl
• House — Apple
• 2004June — June Marie Jacobs
• For the People — Nicole
• Monk — Mrs. Heidi Gefsky
• 2002They Shoot Divas, Don't They? — Call Girl
• Emeril
• One on One — Sarah
• Strong Medicine — Jesse's Friend
• Buffy the Vampire Slayer — Vi
• Mystery Science Theater 3000 — Kinga Forrester
• Backslide — Maddie
• The Guild: Ren Faire'd — Cyd Sherman / Codex, Writer, Producer

Appearances as themselves (13)

• Stuart Fails to Save the Universe Podcast — Self - Host
• Greatest Geek Year Ever! 1982 — Self - Guest
• 2020The Candlenights 2020 Special — Self
• Nailed It! — Self - Judge
• 2018We Brought Back MST3K — Self
• The Wil Wheaton Project — Self
• 2013How Videogames Changed the World — Self
• Game On! — Self - Guest
• Good Mythical Morning — Self
• The Flog — Self
• 2010The Making of Fallout: New Vegas — Self
• The Webventures of Justin and Alden — Self
• 2007The Making of Dr. Horrible's Sing-Along Blog — Self