Tre må man være

Tre må man være is a 1959 Danish family film directed by Sven Methling and starring Poul Reichhardt.

Cast

 * Poul Reichhardt - Peter Halling
 * Helle Virkner - Elisabeth Halling
 * Ghita Nørby - Kate Halling
 * Preben Mahrt - Arkæolog Johannes Brodersen
 * Ellen Gottschalch - Frk. Willumsen
 * Ole Wisborg - Læge Erik Brinck
 * Lily Weiding - Speaker