Cast Detail: Seazynn Gilliland

TikTok creators Railey and Seazynn Gilliland are true newcomers to the television world. Discovered via TikTok by platinum recording artists Tegan and Sara Quin, twins Railey and Seazynn are excited to start their acting journey as leads in the upcoming Amazon Freevee coming-of-age series, High School, based on Tegan and Sara's New York Times best-selling memoir of the same name.

In the series, Railey will portray the high school version of Tegan, a gregarious, confident, and extroverted teenager, who turns to music to explore her vulnerabilities. Seazynn will portray the high school version of Sara, a reserved, observant, and sensitive 15-year-old who, for the first time, starts to access her own self-confidence through playing music.

Railey and Seazynn were born and raised in Fresno, CA. They are represented by The Osbrink Agency. You can find them on TikTok as @seazynn and @homierails or on Instagram as @seazyynn and @raileygilliland.

TikTok creators Railey and Seazynn Gilliland are true newcomers to the television world. Discovered via TikTok by platinum recording artists Tegan and Sara Quin, twins Railey and Seazynn are excited to start their acting journey as leads in the upcoming Amazon Freevee coming-of-age series, High School, based on Tegan and Sara's New York Times best-selling memoir of the same name.

In the series, Railey will portray the high school version of Tegan, a gregarious, confident, and extroverted teenager, who turns to music to explore her vulnerabilities. Seazynn will portray the high school version of Sara, a reserved, observant, and sensitive 15-year-old who, for the first time, starts to access her own self-confidence through playing music.

Railey and Seazynn were born and raised in Fresno, CA. They are represented by The Osbrink Agency. You can find them on TikTok as @seazynn and @homierails or on Instagram as @seazyynn and @raileygilliland.