Rayver is a member of the Cruz family, a noted family line in the Philippine entertainment industry. He has two older brothers, Rodjun Cruz and Omar Cruz-Ilustre. His father, Rodolfo Cruz, Sr., died in 2009 from kidney failure. He is currently part of ABS-CBN contract talents. Rayver also appears on the noontime variety show ASAP XV. He finished Grade 6 in Maria Montessori School in Visayas Ave Quezon City. He is a talent of Star Magic.
Cruz started as a child actor in the GMA show Kiss Muna but later moved to ABS-CBN. His first lead role was via the primetime TV series Spirits as Red in (2005) with actress Maja Salvador. He played another lead role as Mythos in the primetime show Rounin in (2007).