Shin Si-Ah profile: a “monster rookie” in possession of “various faces” (2025 updated)

Biography of Shin Si-Ah

• Full name: Shin Si-Ah (Cynthia)
• Other name: cynthia
• Date of birth: May 12, 1998
• Height: 165 cm (5’5)
• Nationality: Korean
• Religion: Protestant
• Instagram: @shinsia_
  

Filmography

Shin Si-Ah’s career is still developing, but has already left its mark through important cinematographic and television projects.

Movie

Television series / web series

The events of Shin Si-Ah

• Overcome the incredible probability: For his role as debut film in The Witch: Part 2. The other, Shin Si-Ah faced an intense competition. It was selected after beating 1,408 others promising in a rigorous hearing process. Surprisingly, this was his first audition of acting ever.
• The director’s call: He discovered he had obtained the career role through a personal phone call by director Park Hoon-Jung. When he called and asked what he was doing, she simply replied that she was eating bread.
• First inspiration: His dream of becoming an actress was unleashed in his first year of high school after seeing the musical Carmen. This led her to immerse herself in the art form, observing an average of four musicals per week for the next two years.
• Embodying the “girl”: To interpret the mysterious “girl” in the Witch 2, who had minimal lines and was experiencing the world for the first time, Shin Si-Ah focused on “emptying” emotionally alone, approaching the character as a “bird just coated”. He strongly relied on the expressions and gaze to transmit the character’s inner world.
• A resonant scene: A memorable scene involved his character who went up to the snow barefoot for the first time. This was not originally written by the snow, but had changed due to the weather conditions. By coincidence, it was also the first time that Shin Si-Ah walked barefoot in the snow, allowing her to connect in depth with the experience of her character.
• Pre-debut recognition: Even before Witch 2 was released, the Chine 21 film magazine recognized her potential, appointing her the “new actress to pay attention to in 2021” at the end of 2020.
• Real name: Shin Si-Ah is his real birth name, not an art name.
  Hobbies: she likes to listen to music and said that when she cares about something, she tends to immerse yourself in depth.
• Personality glimp: While his character in Witch 2 fought to express emotions, Shin Si-Ah described himself as good enough to show his feelings. He also admitted that he was a little shy, but he found the co-protagonist Jin Goo very useful and accessible on the set.

Shin Si-Ah’s career

Shin Si-Ah was born as the only child from a family made up of his father and mother. His path to acting was not a permanent ambition, but rather a passion turned on during his high school years. Initially it concentrated on other potential careers, including fashion or editing magazines, its trajectory moved dramatically after experiencing the power of the live theater, citing in particular the musical “Carmen” as a fundamental influence.

For 2 years, he immersed himself in the world of theater and musicals looking 4 musicals per week. At the same time, he set his goal of attending the Teatro and College Film Department and then participate in theatrical performances. In the end she successfully enrolled in the prestigious Department of Theater and Cinema at the University of Hanyang (which enters 2018) before graduating with a degree.

Shin Si-Ah’s career

In 2018, Shin Si-Ah made his actor debut with an apparition in the web series “My love dog boyfriend”followed by web-drama roles “When two male friends fight on me” and short film “Prasad” In 2019.

The turning point in Shin Si-Ah’s career came with the auditions for “The Witch: Part 2. The other”. The Casting call sought a new face to lead the sequel to the success of 2018, a role that Kim Da-me had originated and ridden to celebrity. The competition was immense, with relationships that quote a stunning probability from 1408 to 1.

Director Park later revealed that he had chosen Shin Si-Ah after many resolutions, attracted by “Various faces” He possessed. This quality probably aligned with the needs of the character known only as “girl”, an experimental subject capable of both chilling power and surprising innocence. The decision echoed to the casting strategy of the first film, in which the then Rookie Kim Da-Mi was chosen.

Shin Si-Ah herself told to receive the confirmation of the confirmation of the casting that changes the life of the director with disbelief as he ate casually. According to the actress, it was “Mentally prepared” Let the expectations of being launched go and his family celebrated after the call.

After “The Witch: Part 2”The actress appeared in the “The Old Woman With the Knife” action thriller film, which was presented at the 75th Berlin International Film Festival in 2025. He is currently also the protagonist of the “Resident PlayBook” K-Drama, known as Spin-Off of the Viral series K-Dama. “Hospital playlist”.

There were also news of Shin Si-Ah who were launched for a Netflix series together with Kim Yo-Han. However, there have been no updates regarding the project after 2 years.

Next to his acting roles, Shin Si-Ah has become a recognizable face in the world of sponsorships and public apparitions. Even before his important debut, he appeared in an announcement of cosmetics who played a ballet teacher and modeled for the Fossula skin care brand. Following the release of “The Witch: Part 2”It has been selected as a model for various remarkable brands, including the Diponadic skin care brand, the Coca-Cola and the Minimalist Fashion brand Mongol for their summer campaign.

Shin Si-Ah’s recitation philosophy

Shin Si-Ah approaches his roles with a mixture of meticulous preparation and intuitive form of realization. For his representation of the “girl” largely non -verbal “The Witch: Part 2”She focused intensely on understanding the character’s internal state and history, even creating her background and listing the character’s thoughts for each scene. Recognizing the importance of transmitting complex emotions without dialogues, he underlined the expression through his eyes and thin gestures, refining these nuances often registering with his camera to find the most effective delivery.

His debut on a set of important films was a significant learning experience. Has acquired a profound appreciation for cinema as a “Complete art”, Understand that a positive result is based on the collective effort and excellence of all the subjects involved, who have instilled a greater sense of responsibility for it. Initially worried about navigating the unknown environment and potential errors because of his lack of experience, He found the support of the cast and crew, noting in particular useful advice from elderly such as the “First Witch” Kim Da-Mi, In addition to the Co-Stars Park Eun-Bin and Jin Goo, as well as the trusted and crucial guidance provided by director Park Hoon-Jung.

Shin Si-Ah’s awards

The debut of Shin Si-Ah impact in The Witch: Part 2 It has not gone unnoticed by the sector or by the public. His performance quickly obtained awards, validating the buzzs that surrounds his casting and confirming his arrival as a new significant talent.

He received the Rising Star Award at the eighth Biff Marie Claire Asia Star Awards in 2022 and the Rookie Award in the Acting category at 2022 Asia Model Awards. In addition, he gained prestigious nominations for the best new actress at the 27th Chunsa Film Art Awards, the Grand Bell Awards and the 43rd Blue Dragon Film Awards in 2022. It was also listed as “New actress to pay attention in 2021” by Cine 21, a great magazine of Korean Korean film

Prizes and nominations