Q returns as Capt. Picard finds himself continually shifting into the past, future, and present, and he must use that to discover a threat to humanity's existence.
Captain Jean-Luc Picard
Commander William Riker
Lieutenant Commander Geordi La Forge
Lieutenant Worf
Doctor Beverly Crusher
Counselor Deanna Troi
Lieutenant Commander Data
Lieutenant Natasha 'Tasha' Yar
Q
Chief Miles O'Brien