Tohn's onscreen debut was at age ten, in an
extra role on the PBS children's series
Ghostwriter. Her first credited role was on the CBS sitcom
The Nanny. She played Tina in ''Tony-n-Tina's Wedding
at the Henry Fonda Theatre in Los Angeles. She also originated the role of Joanie in Body Snatchers: The Musical'' at the Odyssey Theatre in Los Angeles. She began performing solo acoustic guitar shows in April 2004. In November 2005, she released an EP,
The Golden Girl, recorded at a studio in
Tarrytown, New York. She has played at Pianos, The Living Room,
CBGB, The Cutting Room, and The Rothko in New York and at Highland Grounds, The Mint, and Wizard Finger in Los Angeles. She has appeared in the films
Dawg in 2002 (also known as
Bad Boy) alongside
Denis Leary,
Deuces Wild as Mary Ann, and
Return to Sleepaway Camp as Linda. She appeared as Faith in the film
Postal and appeared in the 2008 television film
Giants of Radio. Tohn performed in a
pilot for
MTV called
Show Me the Movie and a pilot for
Fox called
Prudy and Judy, starring alongside
Laura Bell Bundy. She advanced through the Hollywood rounds, making the Top 36 for season 8 and was in the first group of 12 to perform. She performed "
A Little Less Conversation" from
Elvis Presley during Top 36 (Group 1) under the theme
Billboard Hot 100 Hits to Date and was eliminated without advancing to the finals. In 2011, she appeared on the songwriting-competition reality show
Platinum Hit on the American cable network
Bravo as one of 12 aspiring songwriters. She reached 7th place. In 2013, Tohn appeared on
House of Lies. In 2016, she was cast in the
Netflix series
GLOW. In 2019, Tohn appeared in
Epic Rap Battles of History portraying
Joan Rivers in the episode "George Carlin vs Richard Pryor". In 2019, Tohn was the host of
The Howard Stern Show Sternthology's week-long show of
[Wack History Month]. The same year, Tohn debuted as
Courtenay Fortney on
The Boys, and later reprised the role on spinoff
Gen V in 2023. Tohn is a judge on the 2020 Netflix cooking competition show
Best Leftovers Ever! alongside
Rosemary Shrager and
David So. In 2021, Tohn co-created and starred in
Do, Re & Mi, an animated series produced by
Gaumont for
Amazon Prime Video. On January 15, 2025, Tohn competed on the Season 3 of
Celebrity Jeopardy! She earned a place in the semifinals with a correct Final Jeopardy! response and smart wager from 3rd place. She defeated astrophysicist
Neil deGrasse Tyson but lost in the semifinals to eventual winner
W. Kamau Bell. Tohn's charity cause,
PATH, supports global healthcare efforts. ==Filmography==