You should watch:

The Wounded

This was episode number 12 of season 4.

The following characters appeared in this episode:

(credit only) Doctor Beverly Crusher

(uncredited) Ensign Jae

(voice) (uncredited) Enterprise Computer

Admiral Haden

Capt. Benjamin Maxwell

Captain Jean-Luc Picard

Chief Miles O'Brien

Counselor Deanna Troi

Commander Wiliam T Riker

Glin Telle

Glin Daro

Gul Macet

Keiko O'Brien

Lieutenant Worf

Lt Commander Data

Lt Commander Geordi La Forge