Henry Jackson, known as Little Dynamite, is a Golden Gloves champion, who agrees to turn professional when approached by fight manager Ed Watson, despite the opposition raised by his father and Fanny Singleton, his sweetheart.
Henry Armstrong
as Henry Jackson
Willie Bryant
as Frank Harrison
Mae E. Johnson
as Jerry Jordan (as Mae Johnson)
Hamtree Harrington
as 'Windy' Butler
Canada Lee
as Speedy Joe Williams (Henry's Trainer)
Lionel Monagas
as Eddie 'Ed' Watson (Henry's Manager)
Francine Everett
as Fanny Singleton
Dooley Wilson
as Baron Skinner (as Arthur 'Dooley' Wilson)
