Fher Olvera – main vocals, acoustic & electric guitars, coros, programming,
Alex González – drums, vocals, coros, programming, keyboards
Sergio Vallín – acoustic & electric guitars, coros, orchestral arrangements, string arrangements, keyboards, programming
Juan Diego Calleros – bass

GusOrozco – guitar & bass arrangements, programming, keyboards
Fernando "Psycho" Vallín – low arrangements, electric bass
Fernando "El Bueno" Quintana – guitar & bass arrangements, string arrangements, coros, keyboards
Héctor Quintana – coros
Carlos Munguía – coros
Luis Conte – percussions
Jeff Babko – keyboards
Benjamin "Jamie" Muhoberac – keyboards
Tommy Morgan – harmonica
Suzie Katayama – orchestra director
Charlie Bisharat – master concert violinist
Jackie Brand – violin
Mario de León – violin
Tammy Hatwan – violin
Gerry Hilera – violin
Tereza Stanislav – violin
Josefina Vergara – violin
Ken Yerke – violin
Matt Funes – viola
Jorge Moraga – viola
Steve Richards – cello
Rudy Stein – cello
Nico Abondolo – contrabass
David Parmeter – contrabass
Chris Bleth – oboe
Joe Meyer – French horn
Steve Becknell – French horn
Alan Kaplan – trombone
Toño Márquez – lyrical advisor
Augusto Chacón – copy editor
José Quintana – vocal direction