Gerald Michael Charlebois, better known as Michael Forest (born April 17, 1929 in Harvey, North Dakota, USA), is an American actor who provides the voices for many anime titles. At the age of 71, he provided the voice of Prince Olympius in Power Rangers: Lightspeed Rescue. In his earlier years, Forest was a film and television actor, notably playing the part of Apollo in the 1967 Star Trek episode Who Mourns for Adonais?. Forest was also a rugged-looking addition to Roger Corman's list of leading men during their 1950s heyday.

In some of his roles he does for non-union animation dubbing he is known as Mike Forest, Michael Forrest, Mike Forrest, Alfred Thor, Russell Thor, and Russel Thor.

Six-foot-three and weighing in at a lean, mean 215, Michael Forest was a rugged-looking addition to the Roger and Gene Corman's list of leading men during their 1950s heyday. Between Corman films, he was a stage actor who worked in Shakespearean plays and other legitimate productions as classy as his real name (Gerald Michael Charlebois). Born in Harvey, North Dakota, he moved with his family at a very early age to Seattle, attended the University of Washington for a year and then made his way south to the sunnier campuses of San Jose State. Graduating with a B.A. in English and drama, Forest came to Hollywood in 1955 and started acting on TV and on stage at the Players Ring. In 1957, he began to study with veteran actor-acting teacher Jeff Corey, in whose classes Forest first encountered Roger Corman. Forest has also worked extensively on TV and European films.