Trivia: Hong Kong Phooey
- Hey, It's That Voice!: Scatman Crothers is better known for voicing Jazz on The Transformers. He was also the voice of Meadowlark Lemon on H-B's version of The Harlem Globetrotters and Nate Branch/Fluid Man on The Super Globetrotters.
- Joe E. Ross, the voice of Sgt. Flint, was one of the stars of Car 54, Where Are You?. He had previously worked for H-B on Help! It's the Hair Bear Bunch! as the voice of Botch. Both Flint and Botch had a tendency to go "Ooh! Ooh!" a lot, as Ross did on the sitcom and in his career in general.
- In the movie mystery episode, the crooked film director Werner Von Werner (or Erich Von Erich or Mogul Von Mogul) was voiced by Richard Dawson.
- In the Latin-American Spanish version, Penry / Hong Kong Phooey was voiced by Julio Lucena, who had previously voiced "Pablo Mármol" (Barney Rubble), "Don Gato" (Top Cat), and "Pierre Nodoyuna" (Dick Dastardly).