'Smallville' alum Allison Mack to guest-star on 'The Following' 

\'Smallville\' alum Allison Mack to guest-star on \'The Following\'

reunion in season three. Allison Mack has landed a guest-starring role on the Fox drama,

alum will play Hillary, a naïve, small town police officer caught up in Ryan Hardy’s (Kevin Bacon) hunt for a serial killer.

, while his twin brother Aaron Ashmore played Mack’s love interest Jimmy Olsen.

returns Monday, March 2 with a two-hour premiere starting at 8 p.m. ET on Fox.

'The Following' casts 'Almost Human' star as new big bad

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