Grace Su was born Grace Peggy Su in Knoxville, Tennessee. She grew up in Northern California's Silicon Valley and had dreams of being an actress since an early age. Upon entering the University of California, Santa Cruz, she thought she would follow in her father's footsteps of studying Computer Science. However, after taking an Intro to Film class the summer before her sophomore year, she decided to major in Film and Digital Media.
In 2015, she made her first credited TV appearance on American Horror Story: Hotel where she got to wash Lady Gaga's feet. Since then, she has appeared on ABC's Speechless opposite Minnie Driver and on CBS' Superior Donuts. She will be appearing opposite Jim Carrey on Showtime's Kidding this Fall in a pivotal episode directed by Michel Gondry.
She continues to hone her craft through training and independent film projects. In the meantime, she freelances as a video editor.