Happy is a 2011 feature documentary film directed, written, and co-produced by Roko Belic. It explores human happiness through interviews with people from all walks of life in 14 different countries, weaving in the newest findings of positive psychology. Director … Gregory Berns, Roy Blanchard, Mihaly Csikszentmihalyi, Tenzin Gyatso, Richard Davison, Ed Diener, Daniel Gilbert Added on Amazon Prime 2022-05-19. Youtube Trailer