Gastón Dalmau Arroquy (born 23 November 1983[1][2][3]) is an Argentine actor and singer.

He is best known for playing Ramiro "Rama" Ordóñez in the Cris Morena television series Casi Ángeles, and as a member of music group Teen Angels.

Gastón Dalmau was born the youngest of three boys on 23 November 1983[1][2][3] in Coronel Suárez, Buenos Aires.

[1] Dalmau cites Charly García as his idol and favourite singer[1][3] He also plays guitar .

He is openly gay, he is in a relationship with Spanish community manager José Navarro.