Soon after winning StarStruck, Cielo made his debut as the lead role Daniel Trinidad in the fantasy television show, Fantastikids. After this, he began to appear in primetime with guest starring roles in shows first in Encantadia: Pag-ibig Hanggang Wakas as Arman, then Bakekang as Miguelito "Michael" Dimayacyac and Asian Treasures as Mateo Madrigal;, as well as a leading role in the Sunday afternoon drama, Boys Nxt Door, which is dubbed in Malay by 8TV and is to be the first Philippine drama to air on KBS2 of South Korea. In 2007, he and fellow StarStruck graduates, Yasmien Kurdi and Rainier Castillo decided to shift from mainstream acting to voice acting for a while by trying characters from the anime Bleach, such as Ichigo Kurosaki. (Tagalog) During the same year, he won the Guillermo Mendoza Memorial Scholarship Foundation Award for Most Promising Male Artist. He was soon chosen by his network to be the main protagonist in the Philippine remake of Uchuu Keiji Shaider as Alexis del Mundo or Shaider but Dennis Trillo and Aljur Abrenica were included so the show was reformatted to Zaido: Pulis Pangkalawakan, a spin-off sequel to the Metal Hero Series. He joined the cast of Sine Novela: Kaputol ng Isang Awit, which also stars Glaiza de Castro, Lovi Poe and Jolo Revilla. He was also a spokesman for Department of Health and was seen in a no-smoking ad campaign with secretary Francisco Duque III. In 2008, he joined the cast of Codename: Asero then LaLola. His last appearance was in LaLola, in which he portrayed the character Billy Lobregat.
