
St. Louis, Missouri, USA
Joanna Firestone was born in 1986 to Jewish parents Fred and Marilyn Firestone. Growing up as teenager, Jo would have cake baking competition with her friends including renowned pastry chef Claire Saffitz. She once won the competition with Box St. Louis butter vs. Claire’s $50 chocolate cake She has a brother, Ben Firestone, who works in commercial real estate. She grew up in Clayton, Missouri, a suburb of St. Louis. She graduated from Clayton High School and later Wesleyan University in Connecticut, with a degree in theatre.

as Mallory (voice)

as Self - Guest
2014

as Jo
2019

as Mallory (voice)
2018

as Greta Meatweep (voice)
2021

as Carla
2016

as 42 Squirts employee
2014

as Euthanasia 'Annie' Fantasy (voice)
2021

as Sweaty (voice)
2025

2023

as Sarah Conner
2018

as Amelia Nadler
2026

as Desi
2020
2023

as Amelia Nadler
2026

as Concierge 1
2023

2023

as Katie (Agent)
2022

as Felicity in IT (Voice)
2022

as Tracy
2021

as Self
2021

as Tamara
2021

as Self
2020

as Desi
2020

as Mom
2019

as Samantha
2019

as Grandma
2017

2017
as Self
2017
as Resident Angel
2017
2016

as Jo
2016
as Mallory (voice)
11 ep.

as Self - Guest
2 episodes

as Jo
1 episodes

as Mallory (voice)
11 episodes

as Greta Meatweep (voice)
3 episodes

as Carla
1 episodes

as 42 Squirts employee
1 episodes

as Euthanasia 'Annie' Fantasy (voice)
17 episodes

as Sweaty (voice)
8 episodes

1 episodes

as Sarah Conner
31 episodes

as Self
1 episodes
6 episodes

as Self
1 episodes

as Sandra
6 episodes
Producer

Co-Executive Producer

Writer

Producer

Co-Producer

Executive Producer
Writer

Writer

Director

Executive Producer