From :

Veteran TV actor Martin Donovan, known for his role on Weeds and his numerous collaborations with Hal Hartley, has been added to the cast of Marvel’s Ant-Man.

Donovan’s role is being kept under wraps, but sources say it is pivotal to the story. The film, scheduled for release on July 17, 2015, centers on con man Scott Lang (Rudd), who has the ability to shrink in scale but increase in strength. He must embrace his inner-hero and help his mentor, Dr. Hank Pym (Douglas), protect the secret behind his Ant-Man suit from a new generation of world-ruining threats.

Read the Full Story