Robert Ito

Robert Ito is a Canadian-born actor of Japanese descent, perhaps best known for playing Sam Fufiyama in the 1970s TV series, Quincy. He also had a role in the 1984 cult film, The Adventures of Buckaroo Banzai Across the 8th Dimension, as Professor Hikita. He was also the voice of Henry Chan in the animated series, The Amazing Chan and the Chan Clan, and the Mandarin in the 90s Iron Man (starring James Avery and Jennifer Hale).

A Pup Named Scooby-Doo
Grouped under "Voices" for every episode for season 2 and 3 (except for last three episodes of latter season).