The comic legend would play Mark Duplass' father in New Line road trip comedy
Pic follows a woman who, after losing her job and learning that her husband has been unfaithful, hits the road with her profane, hard-drinking grandmother (Sarandon).
Aykroyd would play Duplass’ father, who encounters McCarthy and Sarandon on their road trip.
Production is set to start next month.
Aykroyd is repped by CAA and recently lent his voice to the annie “Legend of Oz: Dorothy’s Return.”