Mark Costello
Biography of Mark Costello is currently unavailable from our data sources.
also starring Mark Costello
Charles Sloan
As Charles Sloan
Turbulent Skies
As Gardner
Locusts
As Director Rusk
Our Friend
As Richard
U.S. Marshals: Waco & Rhinehart
As FBI Agent #1
Hollywood Hot Tubs
As Mr. Slate
Hot Dog... The Movie
As Event Starter
Adult Swim Yule Log
As Sheriff
Doobious Sources
As Blake Morgan
Yes, God, Yes
As Priest
Solar Flare
As Dispatcher Howard
An Accidental Christmas
Zarkorr! The Invader
As George Ray
JAG
As Otis Flannik
Crazy like a Fox
As Nolan
Full House
As Anchorman
Tribes
As Carl
Dead Silent
As Will Hilton
Reasonable Doubts
As Hanratty
Femme Fatales
As Detective Mitchum
MacGyver
As Cop
7th Heaven
As Ken
The West Wing
As Guest
ER
As Kevin Halloran
Murder, She Wrote
As Guard
Knots Landing
Paradise
As Billionaire #1