Shannon Xiao Lóng Kook-Chun (born 9 February 1987) is a South African actor, based in Canada.

[2][3] He then moved to Montreal in order to attend the National Theatre School of Canada.

[5] In 2014, Kook, Alexandre Landry, Sophie Desmarais, and Julia Sarah Stone, were chosen for the Toronto International Film Festival's Rising Stars initiative, an annual distinction that spotlights four up and coming Canadian actors to talent developers and filmmakers at the festival.

[9] In January 2018, it was announced that Kook has been cast as a mysterious new guest star, Lucas, on the fifth season of The CW's The 100.

In 2023, Kook was cast as Tony Swan in season two of Amazon Prime's action crime series Reacher.