You should watch:

Redemption: Part 1

This was episode number 26 of season 4.

The following characters appeared in this episode:

(as J D Cullum)Toral

(uncredited)Crewmann/Security Guard

(uncredited)Ensign Craig

(uncredited) Ensign Jae

(uncredited) Female Klingon

(uncredited) Sela

(voice) Enterprise Computer

B'Etor

Captain Jean-Luc Picard

Counselor Deanna Troi

Commander Wiliam T Riker

Doctor Beverly Crusher

General Movar

Guinan

Gowron

K'Tal

Klingon First Officer

Kurn

Lieutenant Worf

Lt Commander Data

Lt Commander Geordi La Forge

Lursa