Mark Costello
Actor| Gender | Male |
Known for
Full House
7.5
Anchorman
Sep 22, 1987
ER
7.8
Kevin Halloran
Sep 19, 1994
MacGyver
7.7
Cop
Sep 29, 1985
Priest
Jul 24, 2020
Guest
Sep 22, 1999
Guard, Sgt. O'Connor, Officer
Sep 30, 1984
JAG
7.3
Otis Flannik, Wallace, Commander Onclay
Sep 23, 1995
Our Friend
7.2
Richard
Sep 4, 2019
7th Heaven
6.4
Ken
Aug 26, 1996
Event Starter
Jan 13, 1984
Gardner
May 5, 2010
Dec 27, 1979
Detective Mitchum
May 13, 2011
Sheriff
Dec 11, 2022
Solar Flare
3.6
Dispatcher Howard
Jun 9, 2008
Locusts
3.8
Director Rusk
Apr 24, 2005
Mr. Slate
Sep 7, 1984
Dec 9, 2007
George Ray
Apr 30, 1996
Dead Silent
6.8
Will Hilton
Oct 25, 2016
Full House
7.5
Anchorman
Sep 22, 1987
ER
7.8
Kevin Halloran
Sep 19, 1994
MacGyver
7.7
Cop
Sep 29, 1985
Priest
Jul 24, 2020
Guest
Sep 22, 1999
Guard, Sgt. O'Connor, Officer
Sep 30, 1984
Acting
Participated in 13 movies, 13 TV series
