I know that TNG onwards actors were signed to seven year deals. The nine you saw Damage, wouldn't be out of line.
Studios usually have deals like ,"OK you appear in XYZ and it's possible sequels, and we'll let you star/direct this project."
"High Priestesses Of Zardoz" By Eliza's Starbase Of Avatars Copyright 2009."
"Zardoz Speaks To You, His Choosen Trek Fans."