We know Martin Campbell is set to direct and Ryan Reynolds stars as Hal Jordan, but other than that, we know little to nothing about Green Lantern. According to SpoilerTV, a casting notice has been released revealing four pivotal characters. Let the speculating beign!

First listed is Carol Ferris, a love interest of Hal’s who ultimately becomes Star Sapphire. The notice calls for “26-32, a smart and attractive woman with an MBA. She started as a pilot and now runs Ferris Aircraft. She is a work-a-holic.” Abin Sur is a member of the Green Lantern Corps and the individual responsible for recruiting Hal as a Green Lantern. The notice labels him “Mid-30s to mid-40s, he is a great warrior.”

In the evildoers department, the notice reaches out for two characters. Dr. Hector Hammond should be “27-35, Character actor who is austere and impersonal, he is real ‘scummy.’ He is a pathologist and also the son of a Senator.” After coming in contact with a radioactive meteorite, his brain grows to an enormous size and he acquires telekinetic abilities. Then there’s the villain we’ve heard some buzz about, Sinestro. He’s described as “Mid-30s to Mid-40s, he is smart, tough, intimidating and in great physical shape.” Sinestro started out on the good side but after betraying the Green Lantern Corps and using his power for evil, he was banished.

The one potential concern this list brings up is the double archenemy problem. With the exception of The Dark Knight, it’s a known failure. Just keep your fingers crossed we don’t end up with another Spider-Man 3.