Mounties say they have arrested Nadarajah Mahendran at Toronto's Pearson International Airport without incident and aboard a flight originating in Sri Lanka.
Mahendran is one of six men charged over the August 2010 arrival of the MV Sun Sea in British Columbia.
Police in Thailand, Australia, France and Norway have all helped with the investigation,
Public Safety Canada says five men have now been arrested, and four of the men are in custody in Canada.
The department says one man is facing extradition from France, and a warrant is still out for the sixth man.