Stoma Stoma (2020) Runtime:107 minutes Director:Kit Hung Countries:Hong Kong, Switzerland Actors: Michael Wai-Man Chan Derek Tsang Stefan Kollmuss Yiu-Sing Lam Sing Lam Genre:Drama Writer: Julian Chi-Chiu Lee (original screenplay) (as Julian Lee) Production companies: Kalliopeia Productions Xtreme Pictures Also known as: The Sons of Happiness Synapses
