Satchmo. There are few people in this country - or around the world - who will not recognize that name. Louis Armstrong embodied 20th-century American culture. He revolutionized the world of music and became one of the nation's most influential entertainers. No other performer of his era has such a profound effect as a singer as well as an instrumentalist.
| Actor | Role |
|---|---|
| LLouis ArmstrongSelf (archival footage) | Self (archival footage) |
 Hattie WinstonNarrator (voice) | Narrator (voice) |
 Melvin Van PeeblesLouis Armstrong (voice) | Louis Armstrong (voice) |
 Tony BennettSelf | Self |
 Wynton MarsalisSelf | Self |
 Dave BrubeckSelf | Self |
 Dexter GordonSelf | Self |