Sometimes a talented person is hired to act talentless.
Hey, you know that actor that plays that character? The one that can not sing? Turns out they are a classically trained opera singer. Ironic, isn't it?
Not really. Irony As She Is Cast happens when known skills of an actor and the displayed skills of a role do not mesh - and the fan knows this. If the fan didn't know the actor, then there [...] [tvtropes.org]