Featuring:
- Johnny Pacheco: Flute, guiro, charanga voice, vocal (B3, B4), arranger (A3), recording director
- Ray Barretto: Conga
- Bobby Valentin: Bass
- Papo Lucca: Piano
- Celia Cruz: Vocal (A1, A2)
- Hector Lavoe: Vocal (A1, A3, B1)
- Ismael Miranda: Vocal (A1, A4)
- Pete "Conde" Rodriguez: Vocal (A1, B2)
- Cali Aleman: Vocal (A1)

Musicians:
- Jimmi Delgado: Timbales
- Hector "Bomberito" Zarzuela: Trumpet
- Tony Barrero: Trumpet
- Leopoldo Pineda: Trombone
- Reinaldo Jorge: Trombone

- Roberto Rodriguez: Charanga voice, vocal (B3, B4)
- Felo Barrios: Charanga voice, vocal (B3, B4)
- Eddie Drenon: String ensemble
- Ricardo Whittington: Violin solo on A3
- Lewis Kahn: Violin solo on B2
- Jose Fajardo: Special invited guest on flute (B1 , B3), composer (B3)
- Karen Black: Performing A4, B4

- Piloto: Composer (A1)
- Vera: Composer (A1)
- Ignacio Piñeiro: Composer (A2)
- R. Rosell: Composer (A4)
- E. Hernández: Composer (B1)
- R. Valdes: Composer (B2)
- R. Egues: Composer (B4)
- S. Contreras: Composer (B4)
- Louie Ramirez: Arranger (A1, B1)
- Isidro Infante: Arranger (A2, A3, B2)
- Russell Farnsworth: Arranger (A4, B3, B4)

- Jerry Masucci: Producer
- Joe Eula: Cover
- Irv Greenbaum: Engineer
- Jose L. Florez: Special thanks