Del Rosario appeared in Filipino action films as early as 1986. Among his more notable starring roles was in Bangis (1995), Buhawi Jack (1998) and Pintado (2000). He appeared in several international film productions, such as Demonstone (1989), Bloodfist 2 (1990), When Eagles Strike (2003), Bloodfist 2050 (2005), and The Hunt for Eagle One (2006). Del Rosario joined Phillip Salvador, Aurora Sevilla and Willie Revillame in Joe Pring 2: Kidlat ng Maynila (1990) produced by Four n Films. He also performed with Lito Lapid, Monica Herrera, and Johnny Delgado in Medal of Valor: Habang Nasasaktan Lalong Tumatapang (1991) also produced by Four n Films. His most recent movies were Super Noypi (2005) and Tatlong Baraha (2006). Pacer (2012) (un released) "Ang Bagong Dugo" 2014
Raval was a star of OctoArts Films and was introduced in the movie "Valentin Zapanta: Alyas Ninong" a movie by Eddie Garcia.
His first solo action movie was Primitivo Ebok Ala: Kalaban Mortal Ni Baby Ama together with John Regala, Willie Revillame.
He has done movies with OctoArts Films like Boboy Salonga: Batang Tondo, Estribo Gang: The Jinggoy Sese Story, Biboy Banal: Pagganti Ko... Tapos Kayo!, Beloy Montemayor: Tirador ng Cebu, Victor Meneses: Dugong Kriminal, Barkada Walang Atrasan, Bunso: Isinilang Kang Palaban and Dalawa Laban sa Mundo Ang Siga at ang Beauty. He moved to Regal Films and did "Melencio Magat Dugo Laban sa Dugo" with Zoren Legaspi, the late Jun Aristorenas and Eddie Garcia.
Raval was forced to retire early following a law suit.
His last work was "Tawagin Mo Na ang Lahat ng Santo" together with Daniel Fernando, Mark Gil, and Joanne Pascual.
Raval did a comeback via Untold Stories with actress G. Toengi, played in Celebrity Samurai and "Paparazzi" and Net25's "Moments".
(Updated recently correcting all (wrong grammars and bad English that was lifted from His Wikipedia.)