The New Adventures of Mighty Mouse and Heckle & Jeckle is an updated version of Mighty Mouse and Heckle & Jeckle cartoons from the 1940s. The television series was produced by Filmation, and aired from 1979 to 1981 on CBS with over 32 episodes produced. It is not to be confused with Mighty Mouse: The New Adventures.
- Alan Oppenheimer - Mighty Mouse, Oil Can Harry
- Diane Pershing - Pearl Pureheart
- Frank Welker - Heckle & Jeckle, Quackula
- Norm Prescott - Theodore H. Bear