Musicians
- Ray Barretto: Congas
- Willie Colon: Trombones
- Larry Harlow: Piano
- Johnny Pacheco: Líder, flauta, percusión, arranger (A2, B1, B3), composer (A2, B1, B2, B3)
- Roberto Roena: Bongos, percusión
- Bobby Valentin: Bajo, arranger (B1)

Singers
- Santos Colon: Coros, vocals (A2)
- Hector Lavoe : Coros, vocals (A2, A3)
- Ismael Miranda : Coros, composer (A3), vocals (A2, A3)
- Pete "El Conde" Rodriguez: Coros, vocals (A2, B2)
- Adalberto Santiago: Coros, vocals (A2)

Special Guest Stars Courtesy of VAYA Records
- Bobby Cruz: Coros, vocals (A1), composer (A1)
- Jose “Cheo” Feliciano: Coros
- Ricardo Ray: Piano (A1), arranger (A1)

Also featuring
- Renaldo Jorge: Trombones
- Roberto Rodriguez: Trompeta
- Barry Rodgers: Trombones
- Larry Spencer: Trompeta
- Yomo Toro: Cuatro
- Orestes Vilato: Timbales
- Hector Zarzuela: Trompeta

Masters of ceremonies
- Symphony Sid: Master of ceremonies
- Dizzy Izzy Sanabria: Master of ceremonies, original album design

- Javier Vasquez: Arranger (A3)
- Marty Shelter: Arranger (B2)
- Catalino Curet Alonso: Composer (A2)

Grabado en el Cheetah Club de Nueva York el 26 de agosto de 1971