David Harewood and others cast for David Milch's 'The Money'

The cast is beginning to fill up for HBO's The Money pilot. David Harewood, Patrick Kennedy, Dominique McElligott and Laila Robins have joined the production.

Harewood, who previously appeared in Homeland, has joined the cast as Kurt Corbitt, Indiwire is reporting.

Corbitt will be "a grandiose, boisterous, irascible idealogue" CEO of the parent company that owns the main character's holdings. Brendan Gleeson was previously cast as the James Castman, who is a media mogul who is trying to expand his empire, while controlling his family, using his power and influence.

Nathan Lane co-stars as a reporter seeking out evidence for a story on the company.

The Hollywood Reporter noted the additions of Kennedy, Robins and McElligott.

Kennedy has been cast to play Gleason's son John Castman, who has a family and helps his father keep his empire strong. McElligott will be Katherine Castman, his sister and loving daughter. Robins joins the cast as Ruth Castman, James' wife.

Milch wrote the pilot script and along with Art Linson and John Linson, will executive produce. Justin Chadwick will direct the pilot.