Mr. Omar (1941)

Gamer, a clerk in a huge farm run by corrupt staff is fired because of his honesty. Going to Cairo to find a job, Gaber's money is stolen by a thief, and he gets involved in a gang which searches for stolen pearl necklace taken by a woman who claims to be the widow of Omar, the owner of the same huge farm. Gaber fetching the necklace for the gang is misidentified by the family as their absent son Omar as he looks very similar to Gaber. The corrupt uncle who manages the farm, uncovers the false Omar but keeps silent as Gaber knows about his embezzlement. Suddenly true Omar arrives from India, the family confuses each for the other, until both are known and Gaber marries Omar's sister.