Ralf Möller began his career as a bodybuilder. His breakthrough came in 1985 when he became the International Federation of Bodybuilders (IFBB) heavyweight world champion. Shortly thereafter, the man from Recklinghausen, Germany started his acting career and appeared in numerous Hollywood blockbusters.
Following his film debut in "Cyborg", he appeared alongside Jean-Claude van Damme in "Universal Soldiers" in 1992. In 1998, he became the first German actor to have the leading role in an American TV series. "Conan the Adventurer" was broadcast in more than 80 countries, including the German network ZDF.
In the following years, Ralf Möller appeared in other big films, including "Gladiator" and "The Scorpion King". He also starred in various TV series on RTL, such as "Super cop and the Troubled Teens" (Der Superbulle und die Halbstarken), "Gladiators' Hero" (Held der Gladiatoren), and "Megalodon".