Isabel is the youngest of seven children of Filipino father of Chinese descent and a Filipina mother of Spanish descent. Isabel finished her secondary education at Cebu Eastern College and college degree from the University of San Jose-Recoletos (Cebu) with the degree in Information Technology. She started to get the attention of the viewers when she landed a role in the Max's of Manila restaurant commercial. She started her acting career in ABS-CBN in 2004 via It Might Be You and Maalaala Mo Kaya episode with John Prats and Baron Geisler before moving to GMA Network in 2005.
However, it was her similarly named role of Isabel, the leading lady to a matinee idol, Richard Gutierrez in Sugo, that launched her to full stardom, her exposure on Sugo also landed her a role on the GMA Films' summer 2006 offering Moments of Love. Her face currently graces the covers of glossy magazines, billboards, and print ads, and appears regularly on GMA Network shows. Isabel played her antagonist and villain role Rosita, originally played by an award-winning actress Lorna Tolentino, in Sine Novela: Maging Akin Ka Lamang. She then appeared in Gagambino, opposite Dennis Trillo.
In 2009, she played Iza Calzado's antagonist in her second Sine Novela, Kaya Kong Abutin Ang Langit. Oli also played the much-coveted role of Elaine in the Philippine Version of the Korean 2004 television series, Full House. Isabel Oli is part of the cast for the movie Rosario, an MMFF 2010 entry to be shown on December 25, 2010. On March 3, 2014, Oli returned to ABS-CBN to appear in the special finale participation as Chef Bernadette Cruz in Annaliza.
On June 26, 2018, they announced the gender of their second baby in their Youtube channel (Pratty TV) and it is revealed to be a boy. He was born on November 25, 2018.
|Year||Title||Role||Type of Role||Network|
|2018||Since I Found You||Alliya "Iya" Capistrano-Samontina||Supporting Cast||ABS-CBN|
|Ipaglaban Mo: Ate||Lisa||Episode Guest|
|2016||Maalaala Mo Kaya: Anino||Marites||Episode guest|
|2015||Bridges of Love||Atty. Malaya Cabrera||Additional Main Cast|
|Ipaglaban Mo: Dahil Mahal Mo Siya||Rebecca||Episode Guest|
|Pablo S. Gomez's Inday Bote||young adult Lita Vargas||Special Participation|
|Maalaala Mo Kaya: Takure||Maricar|
|2014||Wansapanataym Presents: My App Boyfie||Young Stella Tuason||Guest Role|
|It's Showtime Holy Week Special|
|The Singing Bee||Herself Guest Player|
|It's Showtime||Herself Guest Hurado|
|Ipaglaban Mo: Ako Ang Nauna||Rosa||Guest/Main Role|
|Annaliza||Chef Bernadette Cruz||Special Finale Participation|
|2013||Magkano Ba ang Pag-ibig?||Atty. Richelle Mangahas||Main role / Antagonist||GMA Network|
|Forever||Monica "Monique" Del Prado|
|2012||Day Off||Host||GMA News TV|
|Faithfully||Megan Briones||GMA Network|
|Captain Barbell Ang Pagbabalik||Melanie Ocampo|
|Full House||Elaine Villavicencio||Main role / Antagonist|
|2009||Sine Novela: Kaya Kong Abutin Ang Langit||Therese Gardamonte||Supporting role / Antagonist|
|Rosalinda||Rica (Guest role)|
|Dear Friend: Bakasyonista||Gina|
|Suddenly Its Magic!||Tesa|
|2008–2009||Carlo J. Caparas' Gagambino||Bernadette Albuento / Alakdanessa||Main role / Antagonist|
|2008||Sine Novela: Maging Akin Ka Lamang||Rosita Monteverde|
|2007||Mga Kuwento ni Lola Basyang||Selinda|
|Mga Mata ni Anghelita||Teresa|
|Love to Love Season 11||Cristy / Tintin|
|I Luv NY||Wendy|
|2005–2006||Love to Love Season 9||Arlene|
|2004||Maalaala Mo Kaya: Trolley||Imelda||ABS-CBN|
|It Might Be You||Aretha (credited as Olivia Daytia)|
|2019||The Mall, The Merrier||Star Cinema and Viva Films|
|2015||Beauty and the Bestie||Wila||Star Cinema and Viva Films|
|2014||English Only, Please||Megan Montañer||Quantum Films, MJM Productions, Tuko Film Productions, and Buchi Boy Films|
|2010||Rosario||Carmen||CinemaBuhay and Studio 5|
|You to Me Are Everything||Megan||GMA Films and Regal Entertainment|
|2006||Moments of Love||Ava||GMA Films|
|Year||Award Giving Body||Category||Nominated Work||Results|
|2009||1st MTRCB TV Awards||Female Star of the Night||N/A||WON|
- John Prats surprises Isabel Oli with flash mob proposal. ASTIG.PH (September 24, 2014).
- "IN PHOTOS: John Prats and Isabel Oli get married in Batangas", Rappler, May 16, 2015.
- "John Prats, Isabel Oli welcome baby daughter Feather", Rappler, April 18, 2016.
- Severo, Jan Milo. "John Prats, Isabel Oli welcome new baby boy", The Philippine Star, November 29, 2018.
- MTRCB hands out its first TV Awards; Michael V and Bea Alonzo win acting trophies. Philippine Entertainment Portal (13 November 2015).