Romnick Sarmenta was born to Adonis F. Tejedor and Julie C. Sarmenta. He started acting at the age of four. He later joined the youth-oriented variety show "That's Entertainment", where he was paired with Jennifer Sevilla and eventually with Sheryl Cruz which became a hit love team during the 1980s. He has appeared in more than 60 films and TV shows. In 1999, he won a Best Actor Award from the Asian Television Awards for his performance in the GMA telemovie "Bakla".