Trivia

Was the voice of Scooby Doo from 1996-1998.

He is the uncle of actors Nick Wolfhard and Finn Wolfhard, with the latter also being a former child actor. Kay coincidentally had a small role in director Ivan Reitman's film, Meatballs (1979). 42 years later, his nephew Finn Wolfhard would star in the Reitman produced film, Ghostbusters: Afterlife (2021).

Played Jacob in the original stage production of Jacob Two-Two Meets the Hooded Fang at Toronto's Young People's Theatre (1978)