| Episode complete credited cast: |
 | Ryan Seacrest | - | Himself - Host |
 | Harry Connick Jr. | - | Himself - Judge / Musical Guest |
 | Jennifer Lopez | - | Herself - Judge / Performer |
 | Keith Urban | - | Himself - Judge / Performer |
 | Scott Borchetta | - | Himself - Season XIV Mentor |
| Rest of cast listed alphabetically: |
| Nick Abraham | - | Himself - Nick's Mentor |
 | Quentin Alexander | - | Himself - Musical Guest |
 | Clark Beckham | - | Himself - Contestant |
| Terri Beckham | - | Herself - Clark's Mom (as Clark's Dad) |
| Virgil Beckham | - | Himself - Clark's Dad |
 | Chris Brown | - | Himself - Musical Guest |
 | Chic | - | Themselves - Musical Guests |
 | Kelly Clarkson | - | Herself |
 | Joey Cook | - | Herself - Musical Guest |
 | Sarina-Joi Crowe | - | Herself - Musical Guest |
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