Gedde is best known for his characters Long Duk Dong in Sixteen Candles, Oishi Kazihiro in Gung Ho and Nurse Yosh Takata on ER. He has been seen in various TV shows and movies such as Seinfeld, Home Improvement, Becker, Mad About You, UHF, Call Me Kat and Magnum P.I. He has also done many voice acting jobs on projects including The Simpsons, Family Guy, Kung Fu Panda 4, Ultraman: Rising, American Dad! Kim Possible, and Rugrats.