Episode Info

Lt. Worf is in for a jolt when he meets Kurn (Tony Todd), the younger brother he never knew he had. Complication piles upon complication as Worf is apprised by Kurn of several unsavory family secrets. The climax finds Worf and Kurn joining forces to defend their family's honor (and Worf's life) before the unsympathetic Klingon High Council. Scripted by Ronald D. Moore and W. Reed Morgan from a story by Drew Deighan, "Sins of the Father" first aired March 24, 1990.


Patrick Stewart
as Capt. Jean-Luc Picard
Jonathan Frakes
as Cdr. William T. Riker
LeVar Burton
as Lt. Cdr. Geordi La Forge
Michael Dorn
as Lt. Worf
Marina Sirtis
as Counselor Deanna Troi
Brent Spiner
as Lt. Cdr. Data
Thelma Lee
as Kahlest
Teddy J. Davis
as Transporter Technician
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Sins of the Father Photos