There are 103 films with the same actors, 59 films with the same director, 60631 with the same cinematographic genres, to have finally 70 suggestions of similar films.
If you liked Lummox, you will probably like those similar films :
"Happy" Farrell (Moore) wants to be a famous song and dance man. He befriends a young dancer, Leola (Love), who accompanies him to an audition. Leola is given a contract, but Happy is not. Happy changes careers and becomes successful, but still yearns to be a song and dance man. After three years, Leola plans to retire from dancing so that she can get married, but Happy returns to pursue his original dream. Leola is inspired by this, and her fiancé agrees to let her continue her dancing career.