Player

*814 MEMORANDUM **

Marcus Player, a California state prisoner, appeals pro se from the district court’s judgment in his 42 U.S.C. § 1983 action alleging First Amendment and due process violations related to his conviction and punishment for conspiring to assault prison staff. We have jurisdiction pursuant to 28 U.S.C. § 1291 . We review de novo. Berg v. Popham, 412 F.3d 1122, 1125 (9th Cir.2005) (judgment on the pleadings and Rule 12(b)(6) dismissal); Sorrels v. McKee, 290 F.3d 965, 969 (9th Cir.2002) (summary judgment). We affirm.

The district court properly dismissed Player’s retaliation claims against defendants Davis and Prunty because Player did not allege sufficient facts to show that their actions were motivated by retaliation. See Rhodes v. Robinson, 408 F.3d 559, 567-68 (9th Cir.2005) (holding that for a retaliation claim to be viable, a prisoner must allege, inter alia, that a state actor took adverse action against him because of the prisoner’s protected conduct); see also Bruns v. Nat’l Credit Union Admin., 122 F.3d 1251 , 1257 (9th Cir.1997) (“[A] liberal interpretation of a civil rights complaint may not supply essential elements of the claim that were not…