Lee Hye Ri, better known as Hyeri, first captured the public’s attention as the youngest member of the popular girl group Girl's Day. She quickly became a household name in South Korea, earning the title of “Nation's Little Sister” due to her infectious charm and bubbly personality.

Her popularity soared after she joined the cast of "Real Men" in 2014, where her cute and humorous persona won over audiences nationwide, with her aegyo clip going viral in South Korea, earning one million views in a day which was an unprecedented feat during that time.

This newfound fame catapulted her into the spotlight, paving the way for her transition from idol to more ventures and, eventually, as an actress. Her acting career took off when she starred as the female lead in "Reply 1988" in 2015, one of the highest-rated dramas in Korean cable television history. Her award-winning portrayal of Sung Deok Sun, a relatable and endearing teenager, resonated with viewers and earned her critical acclaim. The drama's massive success made her a household name, ranking her third in the Forbes Korea Power Celebrity list in 2016. 

From her beginnings as an idol to her rise as one of the most beloved actresses in the industry, Hyeri's journey is truly remarkable. Here are some of her most notable K-drama roles that showcase her impressive growth and undeniable talent.

"Tasty Life" (2012)
Hyeri made her acting debut in the series "Tasty Life" as Jang Mi Hyun, the family's youngest daughter. The weekend drama revolves around the lives of four sisters and their father, a police detective turned restaurant owner. This first role marked Hyeri's first step into acting, allowing her to gain valuable experience and pave her way towards her acting career. Her youthful energy and natural charm shone through, giving a glimpse of her potential as an actress.

"Schoolgirl Detectives" (2014-2015)
In this teen mystery drama, Hyeri plays Lee Ye Hee,  a student who wants to become an actress and is one of five high school girls who form a detective club to solve cases within their school. This role allowed Hyeri to showcase her cheerful and adventurous side while delving into the challenges young students face such as bullying and other issues. Her relatable and spirited performance helped her build a stronger acting foundation, preparing her for more prominent roles.

"Reply 1988" (2015)
This nostalgic slice-of-life drama follows five childhood friends growing up in a close-knit neighborhood during the late 1980s. Hyeri plays Sung Deok Sun, the middle child who struggles with her academics but shines with her infectious optimism and caring heart. Her relatable portrayal of a teenager running towards her future despite feeling lost and confused won the hearts of many, earning her a Best New Actress award from the 5th APAN Star Awards, a Rising Star Award for Actress from the tvN10 Awards, and a nomination at the 2016 Baeksang Arts Awards. This breakout role skyrocketed her popularity, earning praise from fans and critics alike, and marked the beginning of her successful acting career.

"Entertainer" (2016)

In this drama, Hyeri portrays Jung Geu Rin, a resilient young woman who becomes the guardian of Jo Ha Neul after losing her parents in high school. Raised by Ha Neul's family as their own daughter, Geu Rin feels a deep sense of gratitude and responsibility toward them. After their tragic death in a car accident, she vows to repay their kindness by caring for their only son, Ha Neul. Struggling with financial difficulties, she juggles multiple part-time jobs before eventually becoming the manager of the 'Entertainer Band' (Tantara Band). Hyeri beautifully captures Geu Rin’s strength and determination, making her character both heartwarming and inspiring.

"Two Cops" (2017-2018)
Hyeri takes on the role of Song Ji An, a spunky rookie journalist filled with determination, especially as she tries to clear her late father's name. Hyeri brings a refreshing charm and boldness to her character. Her chemistry with the lead and her comedic timing added a delightful dynamic to this fantasy-crime drama.

"Miss Lee" (2019)
This workplace drama tells the inspiring story of Lee Seon Shim, an ordinary employee who unexpectedly becomes the CEO of a struggling electronics company. Hyeri beautifully portrays her character's growth from a naive underdog to a resilient leader. Her heartfelt performance captured the spirit of perseverance and hope, resonating with viewers who rooted for her character's journey.

"My Roommate Is a Gumiho" (2021)
Hyeri plays Lee Dam, a quirky university student who turns her life around after accidentally swallowing the magical bead of a 999-year-old gumiho. She has never been in a relationship as well. The fantasy rom-com follows their hilarious and heart-fluttering cohabitation as they search for a way to retrieve the bead and solve this problem. Hyeri's playful and spirited performance perfectly balances the supernatural romance, making it a fan-favorite role.

"Moonshine" (2021-2022)
Set during the Joseon era, this historical drama revolves around a strict prohibition law. Hyeri stars as Kang Ro Seo, a hardworking young woman from a noble but impoverished family who secretly brews alcohol as she acts as the family's breadwinner and tries to pay off their debts. Her lively portrayal of the resourceful and bold heroine brought humor and heart to the drama, further showcasing her versatility as an actress.

"May I Help You?" (2022)

In May I Help You?, Hyeri stars as Baek Dong Ju, a compassionate funeral director who possesses a unique and heart-touching ability—she can communicate with the deceased. She goes above and beyond to fulfill the last wishes of those who have passed on, helping them find closure and peace, especially because if she doesn't accept their requests, she has a bad day. Hyeri’s portrayal of Baek Dong Ju beautifully balances emotional depth with light-hearted charm, making this role one of her most memorable performances.

"Friendly Rivalry" (2025)

In her most recent and ongoing drama, Hyeri takes on the complex role of Yoo Jae Yi, the most powerful student at Chaehwa High School, an elite institution for the top 1% of students in South Korea. With a high IQ, striking beauty, and a wealthy background, Jae Yi has always lived as the object of envy. She is fully aware of her superiority and isn't afraid to use her influence to her advantage. However, beneath her facade is her cunning nature and an interest that teeters on obsession.

Hyeri's journey from idol to acclaimed actress is nothing short of inspiring. She has continuously proven her talent and charm from her beginnings to her unforgettable roles. As fans eagerly await her next project and cheer for her current ones, one thing is certain: Hyeri's star will only continue to shine brighter.