John T. Smith is an uncredited Looney Tunes voice actor. He also worked with UPA for the 1953 short Little Boy With a Big Horn (doing various voices).
- Homeless Hare - Hercules (1950)
- Hillbilly Hare - Punkinhead Martin/Sourbelly Trio Caller (1951)
- Bunny Hugged - The Crusher (1951)
- Chow Hound - Bulldog (1951)
- The Wearing of the Grin - O' Pat aka Shamus O'Toole (1951)
- Drip-Along Daffy - Nasty Canasta (1951)
- Water, Water Every Hare - Evil Scientist (1952)
- Forward March Hare - Master Sergeant (1953)
- There Auto Be A Law - Narrator (1953)
- No Parking Hare - Construction Worker (1954)
- Behind The Tunes: Looney Tunes Go Hollywood - Evil Scientist (2004; archive footage)
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