- Robin Padilla
- Â Self - Host
- Vina Morales
- Â Self - Host
- Manny Pacquiao
- Â Self - Host (as Manny 'Pacman' Pacquiao)
- Regie Amarante
- Â Self - Contestant Boxer (2005)
- Dandy Areola
- Â Self - Contestant Boxer (2005)
- Jeanyce Baga
- Â Self - Contestant Boxer (2005)
- John Rey Emilia
- Â Self - Contestant Boxer (2005)
- Frankie Escaner
- Â Self - Contestant Boxer (2005)
- Joel Garcia
- Â Self - Contestant Boxer (2005)
- Jaypee Ignacio
- Â Self - Contestant Boxer (2005)
- Garry Lastrilla
- Â Self - Contestant Boxer (2005)
- Joel Rafols Jr.
- Â Self - Contestant Boxer (2005)
- Luisito 'Lui' Sanggalang
- Â Self - Contestant Boxer (2005)
- Dennis Tugbo
- Â Self - Contestant Boxer (2005)
- Alvin Aguilar
- Â Boxing Consultant-Referee
- Joven Jimenez
- Â Coach
- Gary Garay
- Â Coach
- Lito Rivera
- Â Coach
- Chris Luna
- Â Bouncer
- Philip Reiner
- Â Bouncer
- Lino Tagacay
- Â Trainer
- Steven Ramos
- Â Trainer
- Arnel Arancina
- Â Trainer
- Dennis Salazar
- Â Trainer
- Ericson Asilo
- Â Trainer
- Aden Zarco
- Â Trainer
- Zaldy Intiro
- Â Trainer
- Miko Yaptinchay
- Â Judge
- Ricardo 'Ric' Canlas
- Â Judge
- Anthony Peñalosa
- Â Judge
- 'Baby' David Blondy Angus
- Â Round girl
- Beverly Lamigo
- Â Round girl
- Natalia Mutya Nemis
- Â Round girl
- Anggelie 'Anj' Avelino
- Â Round girl
- Del Bacho
- Â Commentator
- John Lapus
- Â Guest (as John 'Sweet' Lapuz)
- April Boy Regino
- Â Guest
- Jenny Miller
- Â Guest
- Jeanette Joaquin
- Â Guest (as D' Bodies)
- Michaela Monteverde
- Â Guest (as D' Bodies)
- Rejoice Rivera
- Â Guest (as D' Bodies)
- Gerry Peñalosa
- Â Guest
- Onyok Velasco
- Â Guest
