One Plus One Equals Three

One Plus One Equals Three (Eins + Eins = Drei) is a 1927 German silent film directed by Felix Basch and starring Veit Harlan, Georg Alexander, and Claire Rommer.

The film's art direction was by Heinrich Richter.

Cast

 * Veit Harlan as Paul
 * Georg Alexander as Peter
 * Claire Rommer as Anni
 * Gyula Szőreghy as Annis Vater
 * Margarete Kupfer as Annis Mutter
 * Sig Arno as Doktor Planer
 * Karl Platen as Diener
 * Lissy Arna