Current notable casts include:

Soul Eater:
Death the Kid
Maka Albarn
Crona Makenshi
Wanted: Anyone!

Homestuck:
Rose Lalonde
Eridan Ampora
Gamzee Makara
Jade Harley
Jake English
John Egbert
Karkat Vantas
Tavros Nitram
Vriska Sekret
Rerserved:
Jane Crocker
The Signless
Sollux Captor
Wanted: Alpha!Mom Lalonde, Alpha!Bro Strider

Avatar: The Last Airbender:
Uncle Iroh
Wanted: Anyone, especially Zuko!

Disney:
Prince Naveen
Rapunzel
Reserved:
Wendy Darling (And we may well be getting a Peter Pan!)
Wanted: Anyone, especially Princess and the Frog characters! (Most notably Tiana)

My Little Pony: Friendship is Magic:
Rarity
Twighlight Sparkle
Applejack
Wanted: Anyone, especially Sweetie Belle and Fluttershy

Adventure Time:
Finn the Human
Wanted: Anyone, especially Princess Bubblegum, Marceline, Lumpy Space Princess, and as our Finn-Mun said: "if somebody wanted to do a Professor Jake, I'd be totally willing to work with that and it would be beautiful."

Kingdom Hearts:
Xion
Wanted: Anyone!

Glee:
Noah Puckerman
Lauren Zizes
Wanted: Anyone!

Yu Yu Hakusho:
Botan
Jin Kiernan
Wanted: Anyone!

Sonic the Hedgehog:
Shadow (And we may have a Rouge on the way!)
Wanted: Omega, the main cast

Axis Powers Hetalia:
Spain
France
Russia
Germany
Belarus
Turkey
Netherlands
Korea
Lithuania
Wanted: Anyone, especially China, Japan, Taiwan, and Hong Kong

Baccano!:
Graham Specter
Wanted: Anyone, especially Jacuzzi Splot and Claire Stanfield!