Martin Sheen is preparing for a Hughes role…

The 73-year-old half-Spanish actor has signed on to appear in Warren Beatty’s untitled Howard Hughes project.

Despite being old friends, this is the first time Sheen and Beatty have worked together on a project.

No word yet on who Sheen, who will next star opposite Rooney Mara in Stephen Daldry’s Trash, will portray  for director Beatty, who will portray Howard Hughes.

The story centers on Hughes’ assistant (portrayed by Alden Ehrenreich) and his love interest (Lily Collins).

The film will also star Beatty’s wife Annette Bening and Matthew Broderick.

Sheen, who portaryed Uncle Ben in The Amazing Spider-Man, recently completed the low-budget children’s film The Boxcar Children, based on the beloved book of the same name.

Sheen also has a recurring role on his son Charlie’s FX series, Anger Management.