Diretor/a
Roko Belic
DIRETOR/A
Elenco (na ordem dos créditos)
Marci Shimoff
Narrarator
Ed Diener
Self
Richard Davidson
Mihaly Csikszentmihalyi
Sonja Lyubomirsky
Daniel Gilbert
Gregory Berns
P. Read Montague
The Dalai Lama
Matthieu Ricard
Nic Marks
Tim Kasser
Andy Wimmer
Jamal
Chikanobu Okamura
Anne Bechsgaard
Hiroko Uchino
Kundo Bo
Manoj Singh
Melissa Moody
James Treadwell
Michael Pritchard
Ronaldo Fadul
Roy Blanchard
Dasho Kinley Dorji
Jernstoberiet
Shirley Phelps-Roper
Self(archiveFootage)
Kamejiro Chinen
Ushi Okushima