8
/10
Derek Mann is a fictional character portrayed by Joe Mantegna in the TV series Frasier.
In the first episode they appeared in, titled I Hate Frasier Crane (season 1), they were 45 years old.
They appear in 1 episodes out of a total of 263 aired

Derek Mann

by Joe Mantegna

character

Episodes1

  • 7.8
    /10

    I Hate Frasier Crane
    episode S1.E4 october 1993
    Frasier gets drawn into a war of words with columnist Derek Mann, leading to Mann challenging Frasier to a fight.