Ralph Macchio plays the character of Chooch Bombalazzi, one of the misfit students at the military school.
Wendell Brown portrays Eisenhower 'Ike' MacArthur, another student at the military school.
Tommy Citera takes on the role of Hash, a character in the group of misfit students.
Hutch Parker plays Oliver Holt under the pseudonym J. Hutchison, another student at the military school.
Harry Teinowitz portrays the character Rodney Ververgaert, adding to the group of misfit students.
Tom Poston plays Sgt. Skip Sisson, a military personnel character in the movie.
Antonio Fargas portrays the character Coach in Up the Academy.
Stacey Nelkin plays the character Candy, adding to the diverse cast of the movie.
Barbara Bach takes on the role of Bliss, a character with a unique background in the film.
Robert Downey Jr. has an uncredited role as the Boy on the Soccer Team in the movie.
Ron Leibman has an uncredited role as Major Vaughn Liceman in Up the Academy.
Ian Wolfe portrays Commandant Causeway, adding to the mix of characters in the film.
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