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Walter O'Brien (Portrayed by Elyes Gabel).

Walter created Scorpion Computer Services and is the main character of the show. He has issues connecting to people due to his low EQ and incredibly high iQ, which is 197, Einsteins was 160-165.He hacked NASA at 11 and now works as a government asset for Homeland Security. Walter is based off of actual genius Walter O'Brien who also created Scorpion in real life.

Elyes Gabel: Elyes is as of now in a relationship with his co-star Katharine Mcphee (Paige)

He has been in plenty of different shows and movies, a few including Interstellar, World War Z and Game of Thrones.

 

 

 

 

 

 

 

 

 

 

 

 

 

Paige Dineen (Portrayed by Katharine Mcphee)

Paige was brought to Team Scorpion once Walter noticed she was raising a genius, and had a very high EQ, Paige's main job is to help the team understand emotions and translate the world while they help he understand her genius son. Part of Team Scorpion.

Katharine Mcphee: Triple threat star who was the runner up on season 5 of American Idol. Starred in the NBC show Smash, currently in a relationship with co-star Elyes Gabel.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cabe Gallo (Portrayed by Robert Patrick)

Agent Cabe Gallo works for Homeland Security and found Walter in Ireland after the NASA hacking, when Walter was 16 he created an emergency aid package delievery system and designed speed over accuracy, Cabe tried to stop it but the governemt used the system to drop bombs over baghdad, killing thousands of innocent. After a long time of not speaking Cabe finally returned and got scorpion their first actual job.

Robert Patrick: Robert is married and has two kids. some of his work is; Terminator 2 and The X Files. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Toby Curtis (Portrayed by Eddie Kaye Thomas)

Toby is a Harvard grad psychiatrist who has a strength in reading people. he can understand their thoughts, motives and if they're lying. He is also part of Team Scorpion, is in love with Happy Quinn although she wont admit she's in love wiht him too. Eddie Kaye Thomas: Eddie is from NY and is best known for playing Paul Finch in the American Pie series.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Happy Quinn (Portrayed by Jaydn Wong)

Happy specializes in mechanics and engineeing, being abandoned at a young age she ended up in many different places a child shouldn't be. Is in love with Toby Curtis but won't admit it. Known for being angry and can get a bit violent. Part of Team Scorpion.

Jaydn Wong: Jaydn is Canadian and she has black belt in karate, also a classical pianist, although she doesnt have too many previous credits that were pretty big.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sylvester Dodd (Portrayed by Ari Stidham)

Sylvester (Sly) is a human calculator, being able to process numbers and precentages quicker than your average phone calculator. He suffers from extreme anxiety and OCD, is a germaophobe. Sylvester married Megan O'brien but now considers them to be brothers instead of brother-inlaws, part of Team Scorpion.

Ari Stidham: Ari doesn't really have any large projects to list here, he also plays piano.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ralph Dineen (Portrayed by Riley B. Smith)

Ralph is Paige's son and is also a genius, yet, Paige didn't find out until he was 9. Ralph's father Drew, can be seen in various episodes and there has been a week or two that he went to Maine with him. Part of Team Scorpion. 

Riley B. Smith: Has guest starred on Hot in Cleveland, The Middle, cast when he was 3 in The Back-up Plan starring Jennifer Lopez. 

 

 

 

 

 

 

 

 

 

 

 

 

Guest Stars/ Reccuring Cast:

• Camille Guaty as Megan O'Brien, Walter's sister and Sylvester's wife who suffered from multiple sclerosis, a condition that Walter sought to "fix" in order to repay the favor of her always being there throughout his childhood. She died in the episode "Arrivals and Departures" 

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• Brendan Hines as Drew Baker, Ralph's father who is a struggling minor league baseball player,

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• Daniel Zolghadri as Young Walter

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• David Fabrizio as Merrick (season 1), Director of Homeland Security

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• Andy Buckley as Richard Elia, billionaire tech mogul who wants Walter to work for his company

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• Alana de la Garza as Adriana Molina (season 2), the new Director of Homeland Security who is Merrick's successor

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• Kevin Weisman as Ray Spiewack (season 2), Walter's new buddy from community service, technically was part of Team Scorpion

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• Peri Gilpin as Katherine Cooper (season 2), the Deputy Homeland Security Director who takes over for Molina as Scorpion's Homeland liaison[11]

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• Pete Giovine as Chet (season 2), Happy's "date", a comedian who is her comedy coach