크레딧 출연 Line Hatland Narrator Robert Biswas-Diener Himself John Cacioppo Himself Ed Diener Himself Sonja Lyubomirsky Herself Robert Schwartz Himself Ruth Veenhoven Herself Joar Vittersø Himself 스텝 Line Hatland Directing Line Hatland Writing Hanne Myren Production Håkon Iversen Sound Erik Edland Camera Odd Reinhardt Nicolaysen Camera Jacob Risdal Otnes Editing Øyvind Rostad Production Jan Otto Ertesvåg Visual Effects