Oscar 'Spooky' Diaz is played by Julio Macias
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Netflix's On My Block: Meet the season 4 cast

6. Oscar 'Spooky' Diaz is played by Julio Macias
Julio Macias plays the role of Oscar ‘Spooky’ Diaz, Cesar’s brother and former leader of the Santos gang. In real life, he does not look like Spooky. Did you even recognise him without all those tattoos?! Julio has had roles in Jane The Virgin and TV mini series La Vida ed Como el Cine. His most recent role was as Pete Astudillo in Netflix's Selena: The Series.