Movies (Acting Roles)
Sorted by Release DateSeparate Vacations
Mark Keyloun was 25 in Separate Vacations as 'Jeff Ferguson'.Movie Released: Tue, Apr 01 1986
Gimme an 'F'
Mark Keyloun was 23 in Gimme an 'F' as 'Roscoe McGuinn'.Movie Released: Fri, Nov 16 1984
Sudden Impact
Mark Keyloun was 22 in Sudden Impact as 'Officer Bennett'.Movie Released: Thu, Dec 08 1983
Those Lips, Those Eyes
Mark Keyloun was 19 in Those Lips, Those Eyes as 'Hlavacek'.Movie Released: Fri, Aug 15 1980
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Tour of Duty
Mark Keyloun was 26+ in Tour of Duty as 'G.I.'.TV Show Released: First Air Date
Thu, Sep 24 1987
Thu, Sep 24 1987
Murder, She Wrote
Mark Keyloun was 23+ in Murder, She Wrote as 'Mike Phelps'.TV Show Released: First Air Date
Sun, Sep 30 1984
Sun, Sep 30 1984
Cagney & Lacey
Mark Keyloun was 21+ in Cagney & Lacey TV Show Released: First Air Date
Thu, Mar 25 1982
Thu, Mar 25 1982
Hill Street Blues
Mark Keyloun was 20+ in Hill Street Blues TV Show Released: First Air Date
Thu, Jan 15 1981
Thu, Jan 15 1981