Picard, Guinan, Keiko and Ensign Ro are transformed into children in a transporter accident, leaving them to stop a renegade group of Ferengi who commandeer the Enterprise.

Whoopi Goldberg (Guinan)
Colm Meaney (Chief Miles O'Brien)
Rosalind Chao (Keiko O'Brien)
Michelle Forbes (Ensign Ro Laren)
David Tristan Birkin (Young Picard)
Megan Parlen (Young Ro)
Caroline Junko King (Young Keiko)
Isis J. Jones (Young Guinan)
Mike Gomez (DaiMon Lurin)
Tracey Walter (Berik)
Michael Snyder (Morta)
Brian Bonsall (Alexander Rozhenko)
Hana Hatae (Molly O'Brien)
Morgan Nagler (Kid #1)
Majel Barrett (Computer Voice)

• Director Adam Nimoy is Leonard (Spock) Nimoy's son.
  
• David Tristan Birkin played Picard's nephew René in the episode "Family".
  
• Isis Jones also played the young Whoopi Goldberg in the movie Sister Act.
  
• This was O'Brien's (as well as Keiko and Molly) last appearance on The Next Generation before his transfer to Deep Space Nine.
  
• This was Ensign Ro's only appearance the 6th season. She did not re-appear until the end of the 7th season in "Preemptive Strike".
  
• Young Picard hints to his "father" (Riker) to turn on the computer in "Schoolroom 8," but the computer they are sitting at displays "Classroom 7."