Peter Medak's documentary looks at one of the worst movies ever made — a 1974 pirate comedy starring Peter Sellers that Medak himself directed. He still doesn't seem to know what went wrong.

'The Ghost of Peter Sellers,' a documentary directed by Peter Medak, focuses on his unreleased film 'Ghost in the Noonday Sun,' starring Peter Sellers and filmed in 1973.

Sellers, left, in the documentary 'The Ghost of Peter Sellers.' Courtesy of 1091 Media Movie junkies, rejoice.

Medak’s “The Ghost of Peter Sellers” is an odd case, however. It’s a film about a film that nobody remembers, and which didn’t even get released for more than a decade.

Watch Deadline's video review of 'The Ghost Of Peter Sellers,' a behind-the-scenes look at a disastrous movie shoot that is honest and fascinating.

As the title warns, “The Ghost of Peter Sellers” is the story of a haunting. It might look like a documentary about the making of a cursed, never-released 1973 comedy; but this moving personal ...

The 1974 pirate comedy, which starred Peter Sellers as a 17th century troublemaker named Dick Scratcher (har, har), actually got made — and it sucked. In fact, everyone involved felt that the ...

Comic chameleon Peter Sellers was the biggest movie star of his time. To the world, he was the bumbling Inspector Clouseau of the “Pink Panther” films and such offshoots as the Woody Allen ...

In short, none of the following Peter Sellers roles were featured in the Quad’s retrospective. Most aren’t from movies at all.