[1] Green attended Hastings Law College in San Francisco during which he wrote multiple musical comedies.

[2] Green's experience at Theatre World led him to begin writing scripts again and he wrote vaudeville shows as well as sketches for the Garrick Gaieties[4] and Greenwich Village Follies.

[5][6] The silent film actor Johnny Hines eventually suggested that Green try his hand at screenwriting[2] and in 1926 he moved to Los Angeles to join Metro-Goldwyn-Mayer as a "gag man" writer.

[6] Green made his motion picture debut as a "comedy constructor" for The Brown Derby and his first screen credit was for The Kid Brother in 1927.

[1][3] Green would write over 60 films throughout his career and in 1951 he turned to television, beginning with an episode of The Adventures of Kit Carson.