PLAYED BY: Suzie Plakson
SPECIES: Human/Klingon Female

Federation Special Emissary. K'Ehleyr was killed by Duras in 2367 as she nearly exposed the cover-up of his family's true treachery at Khitomer.
 

PLAYED BY: Robert O'Reilly
SPECIES: Klingon Male

New leader of the Klingon High Council and Chancellor in late 2367. Gowron, had been a virtual Klingon outsider who often challenged the council until he made claim to its leadership when the sitting Chancellor, K'mpec, was poisoned.

PLAYED BY: Patrick Massett
SPECIES: Klingon Male

Duras nearly became chancellor of the empire in 2367 when he dishonorably poisoned Council Leader K'mpec to get the job, but was killed by Worf in combat after Duras murdered Worf's mate K'Ehleyr when she began unraveling the truth about Khitomer.

PLAYED BY: Charles Cooper
SPECIES: Klingon Male

Former leader of the Empire, K'mpec was poisoned by Duras, who sought to succeed him as council leader. K'mpec chose Federation starship captain Jean-Luc Picard as his arbiter of succession, knowing he would remain impartial.

PLAYED BY: Jon Steuer
SPECIES: Klingon Male

Born in 2366, Alexander is the son of Worf and the late Federation Ambassador K'Ehleyr. Although Alexander spent his infancy with his mother, following her death he returned to Earth to live with Worf's adoptive parents, Sergey and Helena Rozhenko..