
Sirena Irwin
Biography
Sirena grew up around the U.S. and abroad her mother, Margaret Irwin-Brandon, is a harpsichordist and conductor of a Baroque Orchestra, and her father, John Irwin, was a physicist (with a significant stint as a dropped out hippie)-landed ultimately at Sanford University. After time spent at Northfield Mt. Hermon boarding school where she fell in love with theater, she attended San Francisco State University and graduated with degrees in Theater and International Relations. After a successful stint in a popular San Francisco sketch comedy group, she landed in Los Angeles where her knack for voices and accents were quickly put to use in the world of animation. This ultimately brought her to her successful career as a voice director in animation (thanks to her mentor Andrea Romano!) garnering her an Emmy nomination in 2021.
Gallery

Known For
Acting History
2025
SpongeBob and Patrick's Timeline Twist-Up as Pffht / Various Incidental Characters (voice)
2024SpongeBob Squarepants: Kreepaway Kamp as Lady Upturn / Nurse Helga / Mo / Teen Girls (voice)
2024A Man Alone as Therapist
2022We Baby Bears as Guard #1 / Old Lady Bug / Poochy (voice)
2022We Baby Bears as Mayor Centipede / Silk Worms / Mom (voice)
2022We Baby Bears as Baba Yaga House / Baby Baba Yaga House (voice)
2022We Baby Bears as Reporter / Mayor / Unica's Gut (voice)
2022We Baby Bears as Mayor / Townsperson (voice)
2022We Baby Bears as Elf Girl / Lock (voice)
2022We Baby Bears as Internet Commentator #1 / Internet Commentator #2 / Internet Commentator #3 (voice)
2021The Patrick Star Show as Elder Woman / Fly Dancers / Crowd / Dancers (voice)
2021The Patrick Star Show as Twin Mom / Toddler 3 / Toddlers / Parents (voice)
2021The Patrick Star Show as Go Girl / Go Woman (voice)
2021Kamp Koral: SpongeBob's Under Years as SpongeBob's Mom / Mowhak Girl / Campers (voice)
2020The Mighty Ones as The Queen (voice)
2019SpongeBob’s Big Birthday Blowout as SpongeBob’s Mom / Gawky Female / The Kid / Office Worker
2018Apple & Onion as The Eater (voice)
2018Apple & Onion as Gumdrop Kid (voice)
2018Apple & Onion as Milk Carton (voice)
2018Apple & Onion as Commercial Voice (voice)
2017Batman vs. Two-Face as Harleen Quinzel (voice)
2016Batman: Return of the Caped Crusaders as Miranda Moore (voice)
2016SpongeBob LongPants as Fancy Lady Fish / Kid Fish (voice)
2015The SpongeBob Movie: Sponge Out of Water as Computer Voice / Shocked Mob Member (voice)
2015Justice League: Throne of Atlantis as Queen Atlanna (voice)
2014Vitaminamulch: Air Spectacular as Additional Voice
2013Planes as Additional Voices (voice)
2013Superman: Unbound as Alura (voice)
2012The Longer Day of Happiness as Alisa
2011Spongebob’s Runaway Roadtrip as Margret SquarePants
2008Can I Be Your Bratwurst, Please?
2008Batman: The Brave and the Bold as Mera (voice)
2008Batman: The Brave and the Bold as Lois Lane (voice)
2007Electric Apricot as The Photographer
2006Holly Hobbie and Friends: Christmas Wishes as Mrs. Palmer (voice)
2006So NoTORIous as Cheryl - Tori's Publicist
2004The SpongeBob SquarePants Movie as Reporter / Driver / Ice Cream Lady (voice)
2004Entourage as Frida
2003Stripperella as Persephone (voice)
2002The Trip as Beverly
2001The Sky is Falling as Gabby
1999SpongeBob SquarePants as Margaret SquarePants (voice)
1999SpongeBob SquarePants as Betsy Krabs (voice)
1999SpongeBob SquarePants as Margaret SquarePants / Betsy Krabs (voice)
1999SpongeBob SquarePants as Lady Upturn / Mrs. Sturgeon (voice)
1999SpongeBob SquarePants as Lady Upturn (voice)
1999SpongeBob SquarePants as Lady Upturn / Tooth Fairy (voice)
1999SpongeBob SquarePants as Lady Upturn / Prudence (voice)
1999SpongeBob SquarePants as Cashina (voice)
1995The Drew Carey Show as Raven
1994Ellen as Cherry-O



