These are the roles that are available. The crossed out roles have been taken. If you have any ideas for new roles feel free to suggest them.

Royalty and Regents
Princess Serenity
Lady Alicia
Lord Florin
Lady Alica and Lord Florin's Son
Lady Alica and Lord Florin's Daughter
The Mercury Regent
Sailor Mercury's Mother (ex-Queen)
The Current Queen of Jupiter
The Current King and Queen of Mars
The Current King and Queen of Venus
Current Ruler(s) of Earth

Sailor Senshi
Sailor Mercury
Sailor Jupiter
Sailor Mars
Sailor Venus
Sailor Uranus
Sailor Neptune
Sailor Saturn
Sailor Pluto

Other Important Characters
Luna
Artemis

Other Roles
These roles have limitless space and new characters are always welcome.
Maids and Servants
Palace Cooks
Palace Guards
Nobility of the Moon
Nobility of Mercury
Nobility of Mars
Nobility of Jupiter
Nobility of Venus
Nobility of Uranus
Nobility of Neptune
Nobility of Saturn
Nobility of Pluto
Nobility of the Earth
Dignitaries and Ambassadors from other planets

You may also play a villain. If you are interested in doing so, please PM me and I'll give you all of the details. ^-^