| Episode credited cast: |
 | Jimmy Fallon | - | Himself - Host |
 | Jonah Hill | - | Himself |
 | Russell Simmons | - | Himself - Guest |
 | Jonathan Richman | - | Himself - Musical Guest |
 | The Roots | - | Themselves |
| Rest of cast listed alphabetically: |
 | Dave Diomedi | - | Himself (as Dave) |
 | Kirk Douglas | - | Himself - The Roots: Guitarist (as Captain Kirk) |
| James 'Kamal' Gray | - | Himself - The Roots: Keyboards (as Kamal) |
 | Steve Higgins | - | Himself - Announcer |
| Tommy Larkins | - | Himself - Musical Support |
 | Morgan Murphy | - | Herself (as Morgan) |
 | Ahmir-Khalib Thompson | - | Himself - The Roots: Drummer (as Questlove) |
 | Tariq Trotter | - | Himself - The Roots: MC (as Tariq) |
hd.thomson-multimedia