Violations

Visiting Ullian telepaths are suspected when Troi, Riker and Crusher fall into comas after nightmarish memory intrusions. Troi's memory probe seems to point to Tarmin, but Data and La Forge's records show it was his son Jev, who is caught attacking Troi again.

Captain's log, stardate 45429.3. While on a mapping survey, we are conveying a delegation of Ullians to Kaldra Four. These telepathic historians conduct their research by retrieving long-forgotten memories.

Captain's log, stardate 45430.9. Counsellor Troi has fallen into a deep coma. After a thorough examination, Doctor Crusher has been unable to find signs of illness or infection.

Medical log, stardate 45431.7. Commander Riker is the second officer who has fallen into an unexplained coma. I have examined the Ullians and ruled out the possibility that they carry a harmful organism.

Captain's log, stardate 45433.2. We have set a course for Starbase four forty, where the Ullians will disembark and return home.

Captain's log, stardate 45435.8. Doctor Crusher and Commander Riker regained consciousness while we were en route to the Ullian home world. The slow process of their recovery has begun.

Characters with no lines who appear according to the cast list or the stage directions.

• Jack Crusher (cast list)

From Memory Alpha. Linked where the credit could be matched to a transcript label.

Starring

• Patrick Stewart as Capt. Jean-Luc Picard (Captain Jean-Luc Picard)
• Jonathan Frakes as Cmdr. William Riker (Commander William T. Riker)

Also starring

• LeVar Burton as Lt. Cmdr. Geordi La Forge (Lieutenant Commander Geordi La Forge)
• Michael Dorn as Lt. Worf (Lieutenant Worf)
• Gates McFadden as Dr. Beverly Crusher (Dr Beverly Crusher)
• Marina Sirtis as Counselor Deanna Troi (Counselor Deanna Troi)
• Brent Spiner as Lt. Commander Data (Lieutenant Commander Data)

Guest stars

• Rosalind Chao as Keiko O'Brien (Keiko O'Brien)
• Ben Lemon as Jev (Jev)
• David Sage as Tarmin
• Rick Fitts as Martin
• Eve Brenner as Inad

Co-stars

• Doug Wert as Jack R. Crusher (Jack Crusher)
• Craig Benton as Crewman Davis
• Majel Barrett as Computer Voice

Uncredited co-stars

• Rachen Assapiomonwait as Nelson
• Michael Braveheart as Martinez
• Debbie David as Russell
• Camara, Grace Harrell, Hunt, Kim, Alex Landi, Jay Montalvo, Bill E. Rogers, Mikki Val as operations division officer (8 performers)
• Cameron as Kellogg
• Victoria Cameron as waitress
• Bo Ching as Keiko's grandmother
• Dawn Cleveland as Keiko Ishikawa (child) (Keiko O'Brien)
• Tracee Lee Cocco as Jae
• John Copage as science division officer
• Tony Cruz as Lopez
• Gina Gallante as science division officer
• Melanie Hathorn as sciences officer
• Joly, Keith Rayve, John Tampoya as command division ensign (3 performers)
• Arvo Katajisto as Torigan
• Mark Lentry as civilian
• Ivonne Perez as civilian
• Randy Pflug as Jones
• Greg Poole as command division officer
• Talbot as Ten Forward waitress
• Xavet as waiter
• Unknown actor as Ten Forward waiter