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Isaac Lahey

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Isaac memories

Isaac Lahey Beta Werewolf
Actor: Daniel Sharman — First Appearance: Omega — Last Appearance: The Divine Move

Isaac Lahey is a student at Beacon Hills High School who is also on the lacrosse team.

He currently lives with Scott McCall.

He is played by Daniel Sharman.

Season 2

When we first meet Isaac, he is working late at night at his job at the graveyard when something knocks over his backhoe dropping him into an empty grave.

He then witnesses something digging up a grave.

Derek Hale helps him climb out of the grave. During an interview with Sheriff Stilinski, it is hinted that Isaac's father abuses him, as evidenced by a black eye that he claims he got playing lacrosse. Isaac later meets with Derek in an abandoned train warehouse. (read more...)

Isaac accepts the bite willingly from Derek before his father is killed by an unknown creature. An exploration of his home showed his father locked him in a freezer chest and abused him often. He escaped police custody and is on the run. (read more...)

Isaac and new pack-mate Erica face off against Scott at a skating rink. Isaac is beaten badly. (read more...)

After the fight, Derek begins to train him and the others to survive. (read more...)

Isaac is let back into school when Jackson gave a different alibi to Sheriff Stilinski. Later he takes part in Derek's attempt to kill Lydia after thinking that she was the Kanima. (read more...)

While discussing what to do about the Kanima, Isaac begins to question Derek's leadership choices. (read more...)

We learn Isaac had an older brother who would have been the same age as all the kanima's victims had he not died in combat. Isaac accompanies Derek to meet Scott at the Vet Clinic. Derek is snappish with him, telling him to stop bickering with Scott and not to touch the Vet's spice rack. Isaac is later given the task of injecting Jackson with Ketamine to subdue him. (read more...)

Isaac learns to control his shift during his second full moon. Derek chains him, Boyd and Erica in the subway car in the lair. Isaac breaks his bonds and escapes but comes back once he is in control. He tells Derek that he focused on his father to maintain control of his werewolf side. Derek believes this is because his father locked him in a freezer in the basement to punish him. Isaac reveals that his father's abuse was a recent development saying "he didn't used to." (read more...)

He goes to the Animal Clinic to ask Scott for advice after his pack mates' choose to leave Derek. While there, the Vet shows him how to use his pain transference on a sick dog. After first deciding to run away with the others, he changes his mind and returns to help Scott at the lacrosse game. (read more...)

After the game, he and Scott plan to track Stiles by scent. Derek and Peter show up and Isaac is swept along with them to Hale House. He then goes to the hospital and helps Scott move Jackson's cocooned body. He fights alongside Scott and Derek as they take on the Kanima. (read more...)

Season 3

Isaac is revived by jumper cables, attached to a car battery and applied to his chest. His mysterious rescuer then attempts to get him to safety on a motorcycle. They are pursued by twin werewolves and crash. At the hospital, he is drugged into unconsciousness by another werewolf and then kidnapped by a third. (read more...)

Peter and Derek work to restore Isaac's lost memories. Under hypnosis at Dr. Deaton's office, he reveals that Erica is dead and that The Alpha Pack is holed up in an abandoned bank. (read more...)

He joins Derek and Scott in trying to catch Boyd and Cora. While trying to trap the werewolves in the school, Allison helps him by shooting flash bolts to drive them in. (read more...)

Isaac and the Alpha Twins tangle, first on the Cross Country track and then inside the school. Aiden beats up Ethan and blames Isaac. The twins then trap Isaac and Allison in a closet triggering his claustrophobia. Isaac drives Aiden's motorcycle into the school and get's Aiden suspended. Derek throw's Isaac out of the loft and he seeks refuge with Scott. (read more...)

Isaac goes with Scott to try and talk to the Alphas, but he ends up fighting them along with Derek against the pack. The next day he beats Ethan up in retaliation for Derek's assumed death until Scott stops him. (read more...)

Isaac and the other Cross Country team members stay at the Glen Capri motel for the night. Due to wolfsbane poisoning, he has hallucinations of being locked up by his father. He cowers under the bed and is rescued by Stiles and Lydia. (read more...)

Isaac and Boyd help Derek set a trap for the oncoming attack from the Alphas. The trap does not work. After Derek and Kali fight, Isaac rushes to save Ms. Blake from the twins. (read more...)

Isaac helps Allison hunt down her father. They track him to scene of the Darach's latest sacrifice. They inadvertently impede Chris' attempt to stop the creature. (read more...)

Isaac helps Allison and her father distract the Alpha Pack so that Cora and Peter can escape the hospital. (read more...)

Issac helps the Argents again in finding where the next sacrifice will be. He later comforts Allison after Jennifer takes her father. (read more...)

Isaac and Allison search for the Nemeton and find her father, Stiles' dad, and Mrs. McCall. Later at school, Allison and Isaac share a laugh as they descend the stairs. (read more...)

While living with Scott, he becomes a victim of his rage when Isaac begins seeing Allison. Later he saves Lydia from one of Allison's arrows during one of Allison's recent mental episodes (read more...)

While helping Scott locate Malia Tate in the Beacon Hills woods, his foot gets caught in one of Mr. Tate's bear traps. (read more...)

He helps Scott and the gang find the killer, William Barrow, after he escapes from custody and nearly shares an intimate moment with Allison. (read more...)

Isaac explains his encounter with the Oni to Allison and her father. Isaac and Allison dance at the black light party and then Allison finds what appears to be the number "5" branded on the skin behind his left ear. (read more...)

Isaac goes with Allison and her father to seek information from a Yakuza Warrior called Silverfinger. (read more...)

He helps Scott and the gang look for Stiles and goes with Allison to see Mr. Yukimura for translating a document. (read more...)

At the hospital Issac gets a bad electrical burn and is left comatose. (read more...)

Isaac is possessed by a Nogitsune fly. He and Allison spend the night together. He electrocutes and then tries to burn Ethan and Aiden. (read more...)

Isaac helps Stiles question Meredith. He is slashed several times in a fight with the Oni. (read more...)

As he grieves for Allison, he discovers that silver is what caused the Oni she shot at to die. He and Chris retrieve Allison's silver arrowheads and help Derek and the Twins destroy the Oni. (read more...)



  • Well, I'm a little bummed about being a fugitive but other than that I'm great.” — Isaac to Scott in Ice Pick.
  • You could've blinded me.” — Isaac to his father in Shape Shifted.
  • Nah, I was thinking I would channeling it into killing her. I'm not very good at writing.” — Isaac to Stiles about killing Lydia in Venomous.
  • I came to win.” — Isaac to Scott in Battlefield.
  • How come you get his shirt and I get a shoe?” — Isaac to Scott about finding Stiles in Master Plan.
  • How do you two losers even survive?” — Isaac to Scott and Stiles in Raving.
  • So, what are you? Some kind of witch?” — Isaac to Dr. Deaton in Raving.


Season 2

Season 3

Start a Discussion Discussions about Isaac Lahey

  • Isaac

    2 messages
    • Has it been officially confirmed that Daniel Sharman is leaving the show?
    • Yes.
  • Why aren't Isaac's eyes blue?

    2 messages
    • After he held Scott under the water in Alpha Pact until he died shouldn't his eyes have turned blue because he took an innocent life? Is Scott ...
    • You should be a lawyer. Scott didn't actually die. Thus - no change in eye-color.
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