How old was Sierra McCormick in Killing Mary Sue?

Killing Mary Sue

Plot: A corrupt senator arranges for the murder of his biggest liability, his erratic burnout stepdaughter, only for her to unwittingly discover her natural talent as an untouchable killer.

Release Date: No estimated release date

Cast

Dermot MulroneyDermot Mulroney may be 61+ in Killing Mary Sue as 'Bradley Weiner'.

Birthday: Thu, Oct 31 1963

Sierra McCormickSierra McCormick may be 27+ in Killing Mary Sue as 'Mary Sue'.

Birthday: Tue, Oct 28 1997

Sean Patrick FlanerySean Patrick Flanery may be 59+ in Killing Mary Sue

Birthday: Mon, Oct 11 1965

Jason MewesJason Mewes may be 50+ in Killing Mary Sue

Birthday: Wed, Jun 12 1974

Martin KoveMartin Kove may be 78+ in Killing Mary Sue

Birthday: Wed, Mar 06 1946

Kym WhitleyKym Whitley may be 63+ in Killing Mary Sue

Birthday: Wed, Jun 07 1961

Crew

James SunshineJames Sunshine may be >> in Killing Mary Sue as 'Director, Writer'

Birthday: Unknown Birthday

Larry LayfieldLarry Layfield may be >> in Killing Mary Sue as 'Producer'

Birthday: Unknown Birthday

Jonathan SacharJonathan Sachar may be 59+ in Killing Mary Sue as 'Producer'

Birthday: Mon, Aug 02 1965

Patrick DurhamPatrick Durham may be 54+ in Killing Mary Sue as 'Producer'

Birthday: Fri, Jan 01 1971

Dave LugoDave Lugo may be >> in Killing Mary Sue as 'Producer'

Birthday: Unknown Birthday

Rosy SultanaRosy Sultana may be >> in Killing Mary Sue as 'Executive Producer'

Birthday: Unknown Birthday

Abdul BhuiyanAbdul Bhuiyan may be >> in Killing Mary Sue as 'Executive Producer'

Birthday: Unknown Birthday