- Country: N/A
- Genres: Comedy, Short, Sport
- Release: 1929-12-22
- Director: Earle Rodney
- Writers: John A. Waldron , Earle Rodney , Hampton Del Ruth , Harry McCoy
- Language: English
- Stars: Harry Gribbon , Andy Clyde , Marjorie Beebe , Patsy O’Leary , Bert Swor , Sid Torres , Charles Sullivan , Ernie Alexander , Hubert Diltz , Jack Hill
- Runtime: 18 min
- Awards: N/A
- AKA: Uppercut O'Brien , Uppercut O'Brien (United States of America)
- Plot: Andy's top boxer walks out on him, later claims to be champ.
- IMDB:tt0020541
Uppercut O’Brien Cast · · · ALL
Earle Rodney
Director
Harry Gribbon
Uppercut O'Brien
Andy Clyde
Pop Martin
Marjorie Beebe
Marge - Pop's Daughter