
Geraldine Viswanathan (/ˌvɪswəˈnɑːθən/ VISS-wə-NAH-thən; Tamil: ஜெரள்டீன் விஸ்வநாதன்; born 20 June 1995) is an Australian actress. She gained recognition for her roles in the films Blockers (2018), Hala (2018), Bad Education (2019), and Thunderbolts* (2025). She had a recurring role in the series Janet King (2017) and starred in the TBS comedy anthology Miracle Workers (2019–2023).
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Avatar Aang: The Last Airbender
2026 · as Kallik (voice)

Thunderbolts*
2025 · as Mel

Oh, Hi!
2025 · as Max

Rumble
2021 · as Winnie (voice)

Blockers
2018 · as Kayla

Drive-Away Dolls
2024 · as Marian

The Package
2018 · as Becky Abelar

Bad Education
2019 · as Rachel Bhargava

Cat Person
2023 · as Taylor

You're Cordially Invited
2025 · as Jenni

The Beanie Bubble
2023 · as Maya

The Broken Hearts Gallery
2020 · as Lucy Gulliver

At Night
2017 · as Sophia

Dirt Tin
2017 · as Crystal

Hala
2019 · as Hala Masood

Emo: The Musical
2016 · as Jamali

7 Days
2021 · as Rita

All Out Dysfunktion!
2016 · as Vizzie