# Premiere of film ‘What Happened to Doris?’

> Live situation record from CLSTR: https://clstr.news/situations/premiere-of-film-what-happened-to-doris
> Updated: 2026-10-06T15:12:00.000Z. Sources: 5. Developments: 2.

The horror film ‘What Happened to Doris?’ premiered at Fantastic Fest. Directed by Nick Simon and starring Heather Graham and Mimi Rogers, the movie is based on a 1974 true story involving Doris Bither, a single mother in Culver City who reported violent assaults by an unseen force. The film covers the documented paranormal case and investigations by UCLA.

Following the premiere, Mimi Rogers made a public appearance at the festival in Texas to promote the project. The film was scheduled for theatrical release on October 1.

## Timeline

### 2026-10-06: Mimi Rogers appears at Fantastic Fest to promote new film

Actress Mimi Rogers appeared at Fantastic Fest in Texas to promote her new film ‘What Happened to Doris?’ alongside Heather Graham.

3 sources. https://clstr.news/cluster/mimi-rogers-appears-at-fantastic-fest-to-promote-new-film

### 2026-09-21: Heather Graham stars in ‘What Happened to Doris?’ premiere

The supernatural horror film ‘What Happened to Doris?’, starring Heather Graham, premiered at Fantastic Fest. The movie is based on a notorious 1974 paranormal case and hits theaters on October 1.

2 sources. https://clstr.news/cluster/heather-graham-stars-in-what-happened-to-doris-premiere

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Cite as: Premiere of film ‘What Happened to Doris?’. CLSTR, https://clstr.news/situations/premiere-of-film-what-happened-to-doris