Roy "Reg" Park was an English bodybuilder, businessman, and actor. His first title was Mr. Britain in 1949. He then won Mr. Universe in 1951, 1958, and 1965. He went on to star in five films, all of which featured him playing Hercules. Later in life, he received renewed interest for being the first inspiration to Arnold Schwarzenegger.
Reg Park
Park with Laura Efrikian in Hercules Conquers Atlantis
Hercules is the Roman equivalent of the Greek divine hero Heracles, son of Jupiter and the mortal Alcmena. In classical mythology, Hercules is famous for his strength and for his numerous far-ranging adventures.
Hercules battles Achelous, metamorphed into a serpent, 1824, by François Joseph Bosio. Louvre LL 325.
Baby Hercules strangling a snake sent to kill him in his cradle (Roman marble, 2nd century CE, in the Capitoline Museums of Rome, Italy).
A fresco from Herculaneum depicting Heracles and Achelous from Greco-Roman mythology, 1st century CE.
Hercules and the Nemean lion in the 15th-century Histoires de Troyes