Line Walker Theme Song

The theme song is "Walker" (行者), by Justin Lo and Wilfred Lau.



The subtheme song is sung by Jinny Ng, called "More Difficult, More Love" (越難越愛)



Trivia: When was the last time Raymond Lam did not sing either the theme or sub-theme song for a drama which he starred in?

Answer: La Femme Desperado (2006) <-- Highlight to see answer