Avalon Penrose is an actress, comedian, musician, and mental health advocate. While studying Marine Biology & Psychology at UCLA, Avalon served as Improv and Theatre Director for the Randall Park founded, LCC Theatre Company. Her comedy debut occurred at UCLA's Spring Sing, in which she performed her first original comedy song, "I Fell in Love in an UberPool", in front of nearly 10,000 attendees. Avalon finished her Bachelor's while simultaneously studying improv comedy at the former Improv Olympic West in Hollywood, which would prove to be the launching point for her comedy career.

From there, she began performing improv and stand-up comedy across Los Angeles, finding a home as a member of two House Improv teams at Second City, Hollywood. At the start of her film career, she developed, produced & starred in several independent shorts with her & her friends' production company, Probably a Cult. She had her national television debut in Season 2 of ABC's "The Gong Show" reboot, an off-beat comedy competition hosted by Mike Myers and produced by Will Arnett.

Avalon landed her first breakout feature film role as Allison in Release Date (2019), alongside Munro Chambers & Roland Buck III. Soon after, she was cast in Season 2 of the Amazon web series "Pretty Dudes", co-starred in Zoe Lister-Jones woman-centric pilot "Woman Up" for ABC, and starred as a series-regular on the Pocket.Watch kids' show for Hulu, "Challenge Squad".