|This article is about the Netflix Series character. You may be looking for the book character.|
|“||She just wanted attention. And leaving those tapes...That's a fucked up thing to do! No one deserves that.||”|
– Marcus to Clay about Hannah, Tape 2, Side B
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Throughout the Series
In the flashback, Marcus supposedly got Hannah Baker for his #1 for the Dollar Valentine event. He proceeds to ask her out on a date at Rosie's, and she said she'd think about it. She made up her mind and said yes, but didn't realize that Marcus is using her because she is "easy". Marcus then shows up an hour late and drinks out of her milkshake. He moves to sit in the same side as Hannah, but only to make a move on her. He then got pushed onto the floor, then leaves with the guys he came with in the end. 
Marcus's Mistake (Reason #6)
|13 Reasons Why |
Hannah's Reasons Navigation
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"Zach Dempsey #7"
Marcus is Hannah's reason number 6 of why she committed suicide.
At Rosie's Diner, Marcus keeps Hannah waiting for over an hour. When he does show up he brings his friends and begins his date with Hannah, sitting on the opposite side. He manages to almost get Hannah to forgive him for being late and switches side to sitting right next to her, as he begins flirting and touching Hannah's leg although she doesn't want him to, she sees him keep looking back at her friends and realizes it was a dare to try and see if she was easy and he didn't care about her at all, which makes her feel like crap until Zach, one of Marcus's friends walks by her, as Marcus and his friends leave, being rejected by Hannah after she works things out, Zach sits down and apologizes for Marcus being an idiot and befriends Hannah.
Marcus is shown to be an intelligent and caring but also extremely cruel, arrogant and selfish person. While he appears to be a model student at Liberty High, Marcus is shown to truly only care about himself and, like Courtney, appears to be concerned only about protecting his "perfect" reputation and is willing to resort to extreme measures to ensure this by hiding Hannah's tapes and also covering up Bryce's crimes in order to protect himself and the others on the list. He even appears to be willing to use Bryce's as a scapegoat in order to minimize the damage to himself and the others responsible for Hannah's suicide. He is willing to cause harm to others in order to protect himself and the others on the tape by intimidating Clay and framing him for being a marijuana user. He is somewhat manipulative to as he reaches out to Clay a few times and invites him to social gatherings though it is shown he is only doing this to distract him from the tapes as much as possible.
Like the other jocks at Liberty high, Marcus appears to be somewhat of a bully and disrespectful towards girls as he is shown ridiculing Hannah and the only reason he took Hannah out was to find out if she was "easy" and assumed she wanted to date him. He is shown to have a hot temper as seen after Hannah pushed him away. He appears to show little remorse for what he did to Hannah and claims that by killing herself she only wanted attention and that her leaving her tapes behind was a screwed up thing to do. In spite of this he is not completely heartless and during his deposition admits that he may have hurt Hannah's feelings, though he claims it was not intentional.
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- "Nothing anyone did to her (Hannah) was any different than what happens to every girl at every high school. She just wanted attention. And leaving those tapes...That's a fucked up thing to do! No one deserves that."
- ― Marcus to Clay standing outside Tyler's window.[src]
- In the books, his name is Marcus Cooley, but in the adaptation, his name is Marcus Cole.
- He is Liberty High's student body president.