|Played By:||Sam Charles|
|Planets:||Kera's Planet (M7G-677)|
During a mission, Sheppard's team crash landed a jumper onto a planet, to find only kids. Casta, one of them, was assigned by the Kera to keep an eye on Sheppard's team. Along with Cleo, Casta annoyed, and irritated Rodney McKay to the point where he was forced to shout at them. Lieutenant Aiden Ford, however gave them chocolate which they quickly developed a fondness for.