You should watch:

Preemptive Strike

This was episode number 24 of season 7.

The following characters appeared in this episode:

(as Natalija Nogulich) Admiral Alynna Nechayev
(uncredited) Ensign Gates
(uncredited) Cardassian officer
(uncredited) Ensign Jae
Captain Jean-Luc Picard
Counselor Deanna Troi
Commander Wiliam T Riker
Doctor Beverly Crusher
Gul Evek
Kalita
Lieutenant Worf
Lt Commander Data
Lt Commander Geordi La Forge
Macias
Ro Laren
Santos