What Walt Disney Feature Animation produced film features Val Bettin as David Q Dawson?
Val Bettin:  He is perhaps best known for voicing Dr. David Q. Dawson in the 1986 Disney animated film "The Great Mouse Detective" and the Sultan in "The Return of Jafar" and "Aladdin and the King of Thieves", the two direct-to-video sequels to Disney's "Aladdin" as well as the TV show, taking over for Douglas Seale. The Great Mouse Detective: The Great Mouse Detective is a 1986 American animated mystery comedy film produced by Walt Disney Feature Animation and released by Walt Disney Pictures.
The Great Mouse Detective