The Cartoon Superhero in His First Feature Film

Shorts from "The New Adventures of Mighty Mouse and Heckle and Jeckle" Saturday morning cartoon show edited together into a movie. Space cat villain Harry the Heartless holds space mouse Queen Pureheart. Only Mighty Mouse can save her.

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Main Cast: Lou Scheimer, Diane Pershing, Alan Oppenheimer

Directors: Kay Wright, Ed Friedman, Louis Zukor, Marsh Lamore, Lou Kachivas, Gwen Wetzler

Writers: Buzz Dixon, Sam Simon

Editors: Earl Biddle, Ann Hagerman, Jim Blodgett

Cinematographer: R.W. Pope

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