How old is Ruby from On My Block? - Jason Genao
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On My Block: How old are the Netflix cast and characters in real life?
2. How old is Ruby from On My Block? - Jason Genao
Ruby Martinez is 15 years old at the start of 'On My Block' but Jason Genao who plays him is actually 23 years old in real life. His birthday is July 3 1996. Between his baby face and his next level acting skills, Jason makes for an incredibly believable teenager. [Netflix]