Sirena Irwin is a 46 years old actress (26 septembre 1977). Sirena Irwin has appeared in 6 shows and 9 movies. A performance to be found in the role of Margaret SquarePants (voice) in the series SpongeBob SquarePants. In the cinema, in the role of Computer Voice / Shocked Mob Member (voice) in the feature film The SpongeBob Movie: Sponge Out of Water.