The Air Force One actress will play a business mogul named Helen who interacts with Conrad Grayson (Henry Czerny).
Crewson has signed up to appear in a single episode but may recur later in season two, TV Guide reports.
The Canadian star's previous credits include guest roles on Alcatraz, CSI and Rookie Blue. She also featured in the third season of 24 and recently appeared in Erica Durance medical drama Saving Hope.
Revenge has signed up a number of new cast additions for season two - Jennifer Jason Leigh (Single White Female), Barry Sloane (Hollyoaks), J R Bourne (Teen Wolf) and Cary-Hiroyuki Tagawa (Mortal Kombat) will all join the ABC thriller when it returns on Sunday, September 30 at 9/8c.
In the UK, the first season of Revenge currently airs on E4.
> Revenge adds Greek star Dilshad Vadsaria for season two
> Revenge casts Client List's Michael Nardelli as 'preppy misfit'
Watch Emily VanCamp talk Revenge with Digital Spy below: