---
name: "Daniel Mainwaring"
canonical: "https://film.one/person/daniel-mainwaring"
roles: ["Novelist","Screenwriter"]
born: "22 July 1902"
died: "31 January 1977"
reviewed_on_fi1m: 1
updated: "2026-09-16T12:18:29.303966+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Daniel Mainwaring

Novelist and screenwriter. Born 22 July 1902 in Oakland, California, USA. Died 31 January 1977.

## Details

- **Work:** Novelist, Screenwriter
- **Born:** 22 July 1902, Oakland, California, USA
- **Died:** 31 January 1977
- **Also known as:** Dan Mainwaring, Geoffrey Homes, Geofrey Homes

## Biography

Daniel Mainwaring was an American novelist and screenwriter. He also published under the pen name Geoffrey Homes. He began his professional career as a journalist for the San Francisco Chronicle and wrote a series of mystery novels before moving into film publicity work.

Mainwaring adapted his own novel *Build My Gallows High* (1946) as the screenplay for *Out of the Past* (1947). He subsequently wrote screenplays under both names, including credits on *The Big Steal* (1949), *The Tall Target* (1951), *The Hitch-Hiker* (1953), *The Phenix City Story* (1955) and *Invasion of the Body Snatchers* (1956). He died in Los Angeles in 1977.

*Sources: en.wikipedia.org, imdb.com.*

## On Fi1m (1)

- *Out of the Past* (1947), Fi1m 89, Novel, Screenplay — [page](https://film.one/film/out-of-the-past.md)

## Also known for

- *Invasion of the Body Snatchers* (1956), Screenplay
- *Against All Odds* (1984), Writer, Novel
- *The Hitch-Hiker* (1953), Story
- *The Big Steal* (1949), Screenplay
- *The Phenix City Story* (1955), Screenplay
- *Atlantis: The Lost Continent* (1961), Writer
- *The Tall Target* (1951), Story

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/daniel-mainwaring