Vellido was born in Barcelona, Spain. His career is divided between cinema, theater and television. Among his most recent film appearances were as the protagonist of and has worked with directors like

Under Therapy is a 2023 Spanish comedy film directed by Gerardo Herrero based on the stage play by Matías del Federico. It stars Malena Alterio, Alexandra Jiménez, Fele Martínez, Antonio Pagudo, Eva U