Temperatures Rising

Escape from the Planet of the Apes

Pussycat, Pussycat, I Love You

Here's Lucy

Mayberry R.F.D.

Land of the Giants

Man of Steel

Star Trek

Lost in Space

Star Trek: The Cage

Gilligan's Island

Bewitched

Bikini Beach

The Outer Limits

The Lucy Show

Perry Mason

Janos Prohaska (October 10, 1919, Budapest, Hungary – March 13, 1974, Inyo County, California, United States) was a U.S.-based Hungarian actor and stunt performer on American television from the 1960s. He usually played the roles of animals or monsters (mostly bears and gorillas).
He is best remembered for his recurring comic role as The Cookie Bear on The Andy Williams Show from 1969 to 1971. Prohaska also appeared in multiple roles on such TV series as The Outer Limits, Bewitched, I Dream of Jeannie, Lost in Space, and a few episodes of Gilligan's Island, where he plays a gorilla. His only credited role on that series appears in the episode "Our Vines Have Tender Apes." He also played the title role in the 1965 Perry Mason episode, "The Case of the Grinning Gorilla".
In 1967 he appeared as a white gorilla in the "Fatal Cargo" episode of the ABC-TV sci-fi  series Voyage to the Bottom of the Sea.  On NBC-TV's   Star Trek his turns in alien costumes of his own making as the Horta in Star Trek's "The Devil in the Dark", and the Mugato in "A Private Little War" are the best known of these.
He also stunt-doubled for both Arnold Stang and Peter Falk in the 1963 film It's a Mad, Mad, Mad, Mad World in which Stang, a small and lightweight man, wore shoulder pads under his costume so that his appearance would match the bulky appearance of Prohaska.
Prohaska made an appearance on an episode of What's My Line? in 1969, where he wore one of his ape costumes.

Janos Prohaska

Janos Prohaska

Acted in

Temperatures Rising

Escape from the Planet of the Apes

Pussycat, Pussycat, I Love You

Here's Lucy

Mayberry R.F.D.

Here's Lucy

Land of the Giants

Land of the Giants

Man of Steel

Star Trek

Star Trek

Star Trek

Lost in Space

Star Trek: The Cage

Gilligan's Island

Bewitched

Bikini Beach

The Outer Limits

The Outer Limits

The Lucy Show

Perry Mason