Rookie Blue: Eric Johnson talks with me about Luke's return and voicing one of video games' most badass characters.

Temporary, or more lasting? The formerly engaged Officer Andy McNally (Missy Peregrym) and Detective Luke Callaghan (Eric Johnson) will reunite on ABC's "Rookie Blue" Thursday, July

Eric Johnson as "Detective Luke Callaghan" on Rookie Blue

Eric Johnson- Edmonton, Alberta Sisterlines Space in Time: August 2012

Eric Johnson

Because it takes one to know one, we picked the brains of guitar virtuoso (and lifelong Eric Johnson fan) Gavin McDiarmid on the ins & outs of EJ's set-up