"Watch your pack."
Teen Wolf - Characters & Cast
Character Analysis
Scott McCall
Tyler Posey
Motivation
Initially, Scott is motivated by a desire for a normal life and to protect his first love, Allison Argent. As the threats escalate, his motivation expands to protecting his pack—his found family—and eventually all the innocent people of Beacon Hills. His core drive is to prove that you can be a predator without being a killer and to save everyone he can, often at great personal cost.
Character Arc
Scott begins as an insecure, asthmatic high school sophomore. After being bitten, his initial journey is one of fear and struggle as he tries to control his new powers and hide his identity. Over the seasons, he grows from a follower into a leader, defined by his unwavering moral compass. His greatest challenge and defining achievement is becoming a "True Alpha"—a rare leader who rises through sheer force of will and virtue, not by killing. By the end of the series, he has fully embraced his role as a protector, not just of his friends, but of any supernatural creature in need, becoming a beacon of hope.
Mieczyslaw "Stiles" Stilinski
Dylan O'Brien
Motivation
Stiles' primary motivation is an unshakeable loyalty to Scott. He is driven by a fierce need to protect his friends and his father, often throwing himself into danger despite his physical vulnerability. He is the detective of the group, motivated by an insatiable curiosity and a desire to understand the supernatural world that has consumed his life. His love for Lydia Martin also becomes a significant driving force for him throughout the series.
Character Arc
Stiles starts as the hyperactive, sarcastic, and seemingly powerless best friend. Lacking supernatural abilities, he relies on his intelligence, relentless research, and deductive reasoning to solve mysteries and save his friends, effectively being the "brains" of the pack. His arc takes a dark and profound turn in Season 3 when he is possessed by the Nogitsune, forcing him to confront his own darkness and fragility. This trauma matures him significantly, solidifying his role as the pack's human anchor and strategist. By the series' end, he joins the FBI, channeling his skills to help people on a larger scale.
Lydia Martin
Holland Roden
Motivation
Lydia is motivated by a deep-seated desire to prevent the deaths she foresees. Her powers are a burden, but she is driven by a sense of responsibility to use them for good. Her motivation is also deeply tied to her love for her friends; as she grows closer to the pack, she becomes fiercely protective and willing to put herself in harm's way to decipher the clues her powers provide.
Character Arc
Lydia is introduced as a popular, seemingly shallow girl who hides her genius-level intellect. Her journey is one of profound self-discovery after a supernatural encounter in Season 1 awakens her dormant abilities as a Banshee—a harbinger of death. Initially terrified of her powers, she grows to understand and control them, transforming from a background character into a vital member of the pack who uses her premonitions to save lives. Her arc is about embracing her true, powerful self beneath the popular facade and finding strength in her unique abilities.
Derek Hale
Tyler Hoechlin
Motivation
Initially, Derek is motivated by a quest for revenge against his family's killers and a desire to rebuild his pack and reclaim his family's legacy. This often puts him at odds with Scott's more cautious approach. Over time, his motivation shifts from personal vengeance to a protective instinct over Scott and the pack, seeing in them a chance to have the family he lost.
Character Arc
Derek is introduced as a mysterious, brooding, and antagonistic older werewolf who acts as a reluctant mentor to Scott. Traumatized by the fire that killed most of his family, he is initially driven by anger and a desire for power, making many mistakes as a new Alpha. His arc is a slow, painful journey of healing and redemption. He gradually sheds his harsh exterior, learns to trust others, and evolves from a lone wolf into a true ally and integral part of Scott's pack. He ultimately finds peace by sacrificing his own alpha status and focusing on protecting his found family.