It took Voyager decades to journey home. Now an Admiral in Starfleet, Kathryn Janeway embarks on an ambitious and forbidden plan to change the past, forcing a final confrontation with Voyager's deadliest enemy: The Borg.

Kate Mulgrew (Captain Kathryn Janeway)
Robert Beltran (Commander Chakotay)
Roxann Dawson (Lt. B'Elanna Torres)
Robert Duncan McNeill (Lt. Tom Paris)
Robert Picardo (The Doctor)
Tim Russ (Lt. Commander Tuvok)
Jeri Ryan (Seven of Nine)
Garrett Wang (Ensign Harry Kim)

Dwight Schultz (Lt. Reginald Barclay)
Alice Krige (The Borg Queen)

Richard Herd (Admiral Owen Paris)
Vaughn Armstrong (Korath)
Manu Intiraymi (Icheb)
Lisa Locicero (Ensign Miral Paris)
Miguel Perez (Physician)
Grant Garrison (Cadet)

Amy Lindsay (Lana)
Matthew James Williamson (Klingon)
Joey Sakata (Engineering Officer)
Richard Sarstedt (Starfleet Admiral)
Iris Bahr (Female Cadet)
Ashley Sierra Hughes (Sabrina Wildman)
Majel Barrett (Computer Voice)

• Two-Hour Series Finale.
  
• The beginning of the episode takes place on the 10th anniversary of Voyager's return to Earth. The journey took 23 years and they lost 22 crew members, including Seven.
  
• In the future, Janeway is an admiral. Barclay is an instructor at the Academy and holds the rank of Commander. Harry is captain of the U.S.S. Rhode Island NCC-72701, a Nova-class starship.
  
• Back in "present day" Voyager, Neelix appears in an on-screen communication to play a game of kodis-kot with Seven. Seven and Chakotay have started a real romance.
  
• Admiral Janeway brings transphasic torpedoes and ablative armor to the present. They add the armor generators to the hull.
  
• Alice Krige reprises her role as the Borg Queen, having played her in the motion picture Star Trek: First Contact. (Susanna Thompson played the Borg Queen in all previous Voyager episodes.)
  
• The last line spoken in this episode is the same as the last line in the premiere, spoken by Janeway: "Set a course… for home."
  
• This episode won two 2001 Emmy Awards, for Outstanding Special Visual Effects and Outstanding Music Composition.