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KNOWNFROMTV CAST CROSSOVER FINDER
Jason Alexander
Actor

Jason Alexander

16 shows in database

Has appeared in 16 shows in our database, with a career spanning 1949–2025, across Comedy, Children, Crime.

The Emmy Awards
Running
The Emmy Awards
1949
as Host
People's Choice Awards
To Be Determined
People's Choice Awards
1975
as Host
A Capitol Fourth
Running
A Capitol Fourth
1980
as Host
E/R
Ended
E/R
1984
as Harold Stickley
Everything's Relative
Ended
Everything's Relative
1987
as Julian Beeby
Seinfeld
Ended
Seinfeld
1989
as George Costanza
Duckman: Private Dick/Family Man
Ended
Duckman: Private Dick/Family Man
1994
as Eric Tiberius Duckman
Listen Up
Ended
Listen Up
2004
as Tony Kleinman
A Fairly Odd Movie
Ended
A Fairly Odd Movie
2011
as Live Action Cosmo
Clipaholics
Ended
Clipaholics
2012
as Narrator
Dinner with Dad
Ended
Dinner with Dad
2017
as Jason Alexander
Kody Kapow
Ended
Kody Kapow
2017
as Goji
Hit the Road
Ended
Hit the Road
2017
as Ken Swallow
Harley Quinn
To Be Determined
Harley Quinn
2019
as Sy Borgmann
Y llegaron de noche
Ended
Y llegaron de noche
2024
as Carl Laemmle
Lego Marvel Avengers: Strange Tails
To Be Determined
Lego Marvel Avengers: Strange Tails
2025
as Magneto
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