Glenn Keogh

Glenn Keogh is the actor who portrayed Sean O'Brien in the first, second, and third seasons of Scorpion.

Season One

 * Pilot (Sean O'Brien)
 * Father's Day (Sean O'Brien)

Season Two

 * Arrivals and Departures (Sean O'Brien)

Season Three

 * Sly and the Family Stone (Sean O'Brien)