Peggy Blow is an American actress, best known for her role as Marisol Martinez, Ruby's grandmother on the Netflix series On My Block Marisol sadly dies in the last episode of the show. . Blow has made many appearances on television shows since the 1970s, and has been cast in several films.
Blow began her career in theater.
In 2018, Blow was cast as Ruby's grandmother in the Netflix series On My Block. She has stated that her character as Ruby's grandmother reminds her of her three aunts in Chicago.