Olivia Olson

Olivia Olson is proof that some of the most beloved performances are ones you hear rather than see. To a generation she is Marceline the Vampire Queen from Adventure Time and Vanessa in Phineas and Ferb, voice roles that demanded real singing chops, not just acting. Yet I always come back to her as young Joanna belting out in Love Actually, a performance so polished the filmmakers reportedly toned it down because it seemed too professional for a child. That early spark clearly wasn't a fluke. She's a Los Angeles native who turned a precocious voice into a durable, genuinely musical career.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Name (English)

Olivia Olson

Name (Japanese)

オリヴィア・オルソン

Reading

おりゔぃあ・おるそん

Born

May 21, 1992 (age 34)

Origin

Los Angeles, California, United States

Occupation

actor / singer-songwriter / television actor / film actor / singer

Zodiac / Chinese zodiac

Gemini / Monkey

High school

Agoura High School

• Instagramhttps://www.instagram.com/oliviaroseolson/
• Xhttps://x.com/oliveolson
• Wikipedia (English)https://en.wikipedia.org/wiki/Olivia%20Olson
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E3%82%AA%E3%83%AA%E3%83%B4%E3%82%A3%E3%82%A2%E3%83%BB%E3%82%AA%E3%83%AB%E3%82%BD%E3%83%B3
• Wikidatahttps://www.wikidata.org/wiki/Q260331

Tags

• California
• actor
• singer-songwriter
• television actor

Last updated

September 18, 2026

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.