First Canadian surrounded by space beside the American space program?

Who was the first Canadian (who is NOT American) to go into space with the American space program? I obligation it for school, the options are: Marc Garneau, Michael Smith and Steve MacLean. Thanks.
Marc Garneau in 1984 next to that evil NASA.

Don't worry. You've shown your Canadian stripes and have stated with your "NOT American" words that this is a Canadian affair, and no Americans call for apply. I understand. We won't tell anyone.

But it was Marc Garneau.

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