You should watch:

Gambit: Part 1

This was episode number 4 of season 7.

The following characters appeared in this episode:

(as Caitlin Brown) Vekor
(uncredited) Ensign Kellogg
Admiral Chekote
Bartender
Baran
Captain Jean-Luc Picard
Counselor Deanna Troi
Commander Wiliam T Riker
Doctor Beverly Crusher
Ensign Giusti
Lieutenant Worf
Lt Commander Data
Lt Commander Geordi La Forge
Lt Sanders
Narik
Tallera
Yranac