Rainier Castillo

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Rainier Castillo
Rainier Joseph Diaz Castillo

(1985-10-21) October 21, 1985 (age 33)
Other namesRainier, Rain, Buboy, RJ
OccupationActor, dancer, singer, model, endorser
Years active2003–2011; 2015–2017
AgentGMA Artist Center (2003–2010)
Talent5 (2010–2011)

Rainier Joseph Diaz Castillo, better known simply as Rainier Castillo (born October 21, 1985 in Quezon City, Philippines), is a Filipino actor, singer, model, and dancer. His father lives in Winnipeg, Manitoba, Canada. He is known for his "killer smile" and one-trick pony of identified with his F4 hairstyle of Jerry Yan. He made it as one of the Final Four in the first season of StarStruck, though he eventually lost the title of Ultimate StarStruck Male Survivor to Mark Herras. He is a former star of GMA Network, now a Kapatid of TV5 then in 2014, Castillo went back to Kapuso Network.[1]


A freshman from AMA Computer University, he joined the reality-based artista search "StarStruck" and was linked over four female survivors during the competition: Jade Lopez, Yasmien Kurdi, Jennylyn Mercado and Sheena Halili. He was linked with Jade Lopez because during the competition Lopez had a crush on him, he was linked with Sheena Halili and was his love team on the competition but when Halili got eliminated their love team had stopped after the contest they continued to have a relationship but later called it off.

Though he lost in the competition, StarStruck was his turning point for his career. This was considered the biggest thing happened to his life that provided door for more opportunities. He is visible in shows of the station such as teen-oriented shows like Click and Joyride, fantaseryes like Mulawin, Majika, Kamandag, Fantastic Man and Tasya Fantasya, comedy shows like Hokus Pokus and drama series like Maynila, Love to Love and Bakekang.

He recently transferred to TV5 and signed a two-year non-exclusive contract with the network and has a new manager named Noel Ferrer (the manager of Ryan Agoncillo and many others).[2][3]

Castillo is currently signed with VIVA Artist Agency.


Rainier has a few commercials to his credit, like Hapee Toothpaste (one commercial as an individual and another with Angel Locsin). He was also a model for Bench FIX Salon and in Bench's 2004 Understatement underwear fashion show in Araneta Coliseum.


Television shows[edit]

Year Title Role Network
2017 All Star Videoke Himself/Player GMA Network
2016 CelebriTV Himself
Wish Ko Lang: Masakit Ang Umibig Pedro
LolaBasyang.com Tristan TV5
Wattpad Presents: The Other Side Kiel
2014 Tunay Na Buhay Himself GMA Network
Celebrity Bluff Guest
Sunday All Stars
Magpakailanman: Pabrika Ng Bata Roland
Imbestigador Romnick
2011 Ang Utol Kong Hoodlum Peter TV5
Face To Face Untold Stories:Madilim Na Kahapon Guest
Midnight DJ Guest
2010 P.O.5 Co-Host
Lokomoko U Himself
2009 Full House Donald Asuncion GMA Network
SRO Cinemaserye: Reunion Angelo
Bubble Gang Cast Member
Dear Friend: Bakasyonistas Aaron
Sine Novela: Paano Ba Ang Mangarap? Vince Galton
2008 LaLola Adult Boggie (Special Guest Role)
Codename: Asero Nicky San Juan
Tasya Fantasya Raz
E.S.P. : When The Phone Rings Guest
2007 Carlo J. Caparas' Kamandag Ikoy
Fantastic Man Arman
Bleach Uryū Ishida (voice acting)
Mga Kuwento ni Lola Basyang: Pandakyotyong Pandakyotyong
2006 Bakekang Joshua
Majika Jimboy/Erastus
Hokus Pokus Prince
2005 Etheria Nakba
Now and Forever: Ganti Ricky
Love To Love (Season 6): Wish Upon A Jar Obet - The Genie
2004 Mulawin Pagaspas/Gus
SOP Gigsters Himself
SOP: Sobrang Okey, Pare! Himself
Joyride Ken
CLICK Barkada Hunt Jerry
Click (Philippine TV series) Jerry
Stage 1: The StarStruck Playhouse Himself
Stage 1: Live! Himself
StarStruck First Prince


Year Title Role
2009 Hellphone[4] -
Pangarap Kong Jackpot: Bahay ni Lolo Hugo -
OMG (Oh, My Girl!) Inday Langging
Ded na si Lolo Jimmy
Rock & Roll -
2005 Shake, Rattle & Roll 2k5 Jay
Lovestruck Cholo
Happily Ever After Gio
2004 So Happy Together Miles


  • I Love You Babe


  • 2004 PMPC Star Awards for TV "Best Male New TV Personality" from his show "Click"


  1. ^ "Archived copy". Archived from the original on July 13, 2011. Retrieved April 18, 2010.CS1 maint: archived copy as title (link)
  2. ^ "Billy Crawford is gonna "Fly"!". Pep.ph. Retrieved August 31, 2019.
  3. ^ [1][dead link]
  4. ^ "Hellphone will open November 11". Pep.ph. Retrieved August 31, 2019.

External links[edit]

Awards and achievements
Preceded by

2003 (season 1)
Succeeded by
CJ Muere