David Duchovny

Film Deaths

The Rapture (1991) [Randy]: Killed by unknown assailants (I haven’t seen all of this but I have seen parts of his death scene in the trailers)
Things We Lost in the Fire (2007) [Brian Burke]: Shot to death by V.J. Foster/Ken Tremblett when David tries to stop a murder-suicide, his body is later seen along with V.J. Foster/Ken Tremblett and his wife as the police investigate
Phantom (2013) [Bruni]: Killed (presumably from being poisoned or suffocated on toxic fumes) along with Johnathon Schaech and Sean Patrick Flanery in a struggle with Ed Harris and his cohorts his body is later seen when a rescue group discover him (I haven’t seen all of this but it’s established only William Fichtner survives)

Duckman: The Girls Of Route Canal (1996) [Richard]: Dies of a heart attack after learning that Duckman (Jason Alexander) had sex with his wife.
The X-Files: Monday (1999) [FBI Agent Fox Mulder]: Killed in an explosion (along with Gillian Anderson and several other bank customers) when a bomb goes off during a bank robbery; the day repeats several times until the explosion is finally prevented.