Robert O'Reilly

Worf finds his faith sorely tested when it appears that the greatest Klingon warrior of all time has returned from the dead to reclaim the empire.

Lt. Cmdr. Worf must choose between Starfleet and his heritage when the Klingon Empire withdraws from the Federation peace treaty.

When Picard is chosen to mediate a Klingon power struggle, Worf confronts the Klingon who disgraced him.

Sisko and his crew masquerade as Klingons to expose a Changeling who has incited a war between the Federation and the Klingon empire.

T'Pol goes through a cycle during which she must mate or die; a bounty hunter kidnaps Archer to return him to the Klingons for punishment.

Picard risks all-out war with the Romulans when he involves Starfleet in a Klingon civil war.