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)