Cecily Waltz: High School Super Spy was an American animated action-adventure spy television series, being created by TBD. It was produced by Warner Bros. Animation and it aired on Cartoon Network from May 17th, 2003 until October 20th, 2007.
A teenage girl is secretly a spy as she heads to protect the world from an evil organization.
- Cecily Waltz (voiced by Elizabeth Daily) - a shy teenage girl who happens to also be a spy traveling around the world to stop a shady secret organization known as B.L.O.O.D.
- S.A.F.E., consisting of:
- The Presence (voiced by Kevin Conroy) - the head of the organization known as S.A.F.E. as he is Cecily's mysterious boss.
- Agent 16 (voiced by Tim Daly) - the most successful agent of S.A.F.E. who is Cecily's idol and somewhat reluctant mentor.
- Harold Hawkins (voiced by Quinton Flynn) - a geeky technology creator who gives Cecily various items she needs as they quickly get smitten with each other.
- B.U.D. (voiced by Richard Steven Horvitz) - Harold's goofy robotic assistant who helps him create items.
- Hymie Davidson (voiced by Jim Cummings) - a really tough and muscular dude who teaches advanced training to new agents of S.A.F.E.
- Brittney Garner (voiced by Kath Soucie) - Cecily's fashionista best friend who is unaware of her secret identity as a spy.
- Anna Waltz (voiced by Jennifer Hale) - Cecily's mother who was once an agent of S.A.F.E. who is now supportive of her daughter's career.
- Principal Carl Croft (voiced by Patrick Warburton) - the principal of Cecily's school who constantly tries to be cool but fails.
- Natasha Dark (voiced by Grey DeLisle) - the corrupt and charismatic head of the organization known as B.L.O.O.D. who wants to conquer the world.
- Dr. Anton Varian (voiced by Jonathan Frakes) - a mad scientist who creates various machines and weapons for B.L.O.O.D. as he has an unrequited love for Natasha.
- Tyler Waltz/The Beast (voiced by Clancy Brown) - Anna's husband and Cecily's father who suddenly disappeared and was revealed to be captured by B.L.O.O.D. and transformed into a gigantic monster only loyal to the organization.
- A.P.E.X. (voiced by Maurice LaMarche) - a robot developed by B.L.O.O.D. to take down any agent of S.A.F.E.
- Ivanna Sputnik (voiced by Nika Futterman) - a Russian scientist who happens to be an agent of B.L.O.O.D.
- Lily Hargreaves (voiced by Ashley Johnson) - a popular pop star who turns out to be an agent of B.L.O.O.D. sent to get the trust of humanity.
- Dark Cecily (also voiced by Elizabeth Daily) - a clone of Cecily created by B.L.O.O.D. so they can finally destroy her.
- Jacques Lenore (voiced by Tom Kenny) - a French thief and an agent of B.L.O.O.D. who is known for his extremely bendable limbs.
- Chef Raymond Ortiz (voiced by TBD) - A chef who is part of the B.L.O.O.D. organization who puts an ingredient that hypnotizes people into liking his food.
- Courtney Cears (voiced by Tara Strong) - an extremely popular teenage girl who despises Cecily with a burning passion.
- Marcy Masons (voiced by Cathy Cavadini) - Courtney's dumb best friend and sidekick who does whatever Courtney says.
- Derrick "Ricky" Aaronson (voiced by TBD) - an immature bully who likes pick on people he finds to be losers, including Cecily, yet is a coward when it comes to jocks.
A map of the United States shows Gotham City.