Variety reports that Moore has signed to portray a doctor who suspects her husband of having an affair in the film directed by Atom Egoyan. To test his fidelity she hires an escort, played by Seyfried, to seduce him.

Erin Cressida Wilson penned the script; Ivan Reitman, Tom Pollock, Jason Reitman and Dan Dubiecki produce. Shooting begins Feb. 9 in Toronto.

Neeson, a two-time Tony nominee, has appeared on Broadway in The Crucible, The Judas Kiss and Anna Christie. His noted screen credits include "Kinsey," "Love Actually," "Gangs of New York," "Nell" and "Leap of Faith."

Moore's stage credits include The Vertical Hour, Vanya on 42nd Street, Gate|Beckett, Surviving Picasso and Serious Money. On screen she has appeared in "I'm Not There," "Laws of Attraction," ""The Hours," "Boogie Nights," "Far From Heaven," "The End of the Affair," "Magnolia" and "Hannibal."

Amanda Seyfried starred in the 2008 movie adaptation of "Mamma Mia!" Her screen credits also include "Big Love," "CSI," "Wildfire" and "Mean Girls."