Born in the Terceira, Azores Islands, Louis' parents immigrated to Canada early in his life, and he grew up in North York, Ontario. He is best known for his role as Colonel Everett Young in Stargate Universe.
When Johnny Depp left 21 Jump Street in 1987, Justin was considered as his replacement until producers decided he was too young for the part.
Justin was born off the coast of Portugal in Terceira, Açores Islands, but was raised in Toronto, Ontario, Canada.
His height is 5' 9" (1.75 m).
Justin's parents are Portuguese.