Youthful Justice Recruits Brent Spiner and Alyssa Milano for that Injustice League

Joker Here comes the Injustice League! In tonight's episode of Cartoon Network's Youthful Justice, a secret society of super villains emerges - and there is some awesome voice casting around the roster. Star Trek: The Following Generation's Brent Spiner (who made an appearance on last night's Large Bang Theory) stars because the Joker, while Charmed vet Alyssa Milano plays Poison Ivy. Within the episode, "Facts," a number of attacks by plant monsters all over the world triggers the Justice League Of America into action. Their teenage sidekicks - Robin, Superboy, Kid Expensive, Miss Martian, etc. - want to aid in your dream but they are rather sent to get the Injustice League. This formidable assortment of classic Electricity Comics rogues includes (pictured, left to right) Count Vertigo, Poison Ivy, Black Adam, Wotan, Ultra-Humanite, Atomic Skull and Joker. Youthful Justice airs Fridays at 6:30/5:30c on Cartoon Network. Sign up for TV Guide Magazine now!