Ralph Jaime Camargo (February 27, 1912 – January 15, 1992) was an American actor, best known for his work in theatre. He was also well known for being "the voice of Dynamic," narrating many short films in the 1950s and 1960s for the Firestone Tire and Rubber Company.
His daughters are actresses Victoria Wyndham and Felice Camargo. His grandson is film and television actor Christian Camargo.
Source: Wikipedia