LL Cool J, who stars in UPN’s “In the House,” has signed with ICM for representation in film and television. He will be repped by Phil Casey, Jason Barrett and George Freeman. LL Cool J will be seen in New Line’s comedy “Woo” next year opposite Jada Pinkett.Poison lead vocalist Bret Michaels has signed with William Morris for theatrical representation, to be repped by Julie Colbert. Michaels recently completed a role in Zalman King’s “In God’s Hands,” for which he is writing and producing the film’s soundtrack. He also recently wrapped “A Letter from Death Row,” marking his filmmaking debut.