Viggo Mortensen will attend the screening of his new film Captain Fantastic in London on August 17.

The film is the closing night of this year’s Film 4 Summer Screen at Somerset House.

Mortensen will introduce the film alongside George McKay and director Matt Ross.

Capt ain Fantastic is about a father devoted to raising his six children with a rigorous physical and emotional education off-the-grid in the forests of America’s Pacific Northwest.

However, tragedy forces the clan to leave their paradise and re-enter ‘civilisation’.

You can book tickets to the screening via the event’s official website.