Danny Mann (born July 28, 1951) was one of the additional voices in Monsters, Inc., Finding Nemo, Toy Story 3, the Toy Story Toons episodes Small Fry and Partysaurus Rex, Monsters University, Cars and the Cars Toons episodes Tokyo Mater and Time Travel Mater. He also performed the voice of Construction Worker Steve in Up and Shifty Sidewinder in The Radiator Springs 500½. He voiced Sparky in the Cars Toons episode Air Mater, as well as DisneyToon Studios' Planes and Planes: Fire & Rescue. He also did additional voices in Planes.