Super Mario Bros. had a pinball machine back in 1992 and at various points of the game, we get to hear Mario speak even though no one was officially credited for the voice.

However, according to Redditor, speederice, who had spoken to Charles Martinet himself, the voice of Mario in Super Mario Pinball was indeed Martinet. Apparently, Martinet was never paid for his role as well. You can take a look at the Pinball machine below