Générique complet
21 Up
Lynn Johnson
Self
Tony Walker
Self
Jacqueline Bassett
Self
Charles Furneaux
Self
Bruce Balden
Self
Andrew Brackfield
Self
Neil Hughes
Self
Nicholas Hitchon
Self
Susan Sullivan
Self
John Brisby
Self
Peter Davies
Self
Suzanne Dewey
Self
Symon Basterfield
Self
Paul Kligerman
Self
Michael Apted
Interviewer/Narrator (voice)