Season Three

Season Three is the third season of Scorpion, and was confirmed on March 25, 2016. It premiered on October 3rd, 2016 and concluded on May 15, 2017

Main

 * Elyes Gabel as Walter O'Brien
 * Katharine McPhee as Paige Dineen
 * Robert Patrick as Cabe Gallo
 * Eddie Kaye Thomas as Toby Curtis
 * Jadyn Wong as Happy Quinn
 * Ari Stidham as Sylvester Dodd

Recurring

 * Riley B. Smith as Ralph Dineen
 * Scott Porter as Tim Armstrong
 * Lea Thompson as Veronica Dineen
 * Reiko Aylesworth as Allie Jones
 * Siobhan Hogan as Joyce Linehan

Guest

 * Glenn Keogh as Sean O'Brien
 * Marcus Eckert as Daniel Klein
 * John Aylward as Tobin
 * Jamie McShane as Patrick Quinn
 * Mary Mouser as Ada

Trivia

 * The second episode is the favorite of many of the cast.
 * This is the only season not to start in September.
 * This is the only season to end in May as opposed to April in previous seasons.