https://variety.com/2018/film/news/douglas-rain-dead-dies-2001-a-space-odyssey-hal-9000-voice-1203025809/

He was in a lot of Canadian Television, but to many of us, his most iconic line will always be:

"I'm sorry, Dave. I'm afraid I can't do that."

--
Geoff Depew - Darth Mephron
Haberdasher to Androids, Dark Lord of Sith Tech Support.
"And Remember! Google is your Friend!!"