In 1924, Hasenclever met Kurt Tucholsky; at this time he worked as a French correspondent for the magazine "8-Uhr-Abendblatt", spending a lot of time in Paris, where he also befriended the dramatist Jean Giraudoux. In 1926 he produced the successful comedy "A Better Gentleman" ("Ein besserer Herr") and in 1928 the comedy "Marriages are Made in Heaven" ("Ehen werden im Himmel geschlossen"). In 1930, he wrote scripts for Metro-Goldwyn-Mayer for Greta Garbo; at this time he lived in Berlin in an "artists' colony".