Original sentence: Gilbert was employed as a gag writer, actor and director, he was 35 years old when he appeared in his first film for the Fox Film Corporation in 1929.Gilbert was spotted by Stan Laurel who was in the audience of Gilberts show Sensations of 1929, Laurel went back stage to meet Gilbert and was so impressed by him he introduced him to comedy producer Hal Roach
Edited sentence: Gilbert was employed as a gag writer, actor and director, and at the age of 35 he appeared in his first film for the Fox Film Corporation in 1929.Gilbert was spotted by Stan Laurel who was in the audience of Gilbert's show Sensations of 1929.Laurel went back stage to meet Gilbert and was so impressed by him he introduced him to comedy producer Hal Roach