Mark Hanna (screenwriter)
Mark Hanna (January 1, 1917 – October 16, 2003) was an American screenwriter and actor.  He was known for writing the screenplays for many science fiction B movies in the 1950s, particularly Attack of the 50 Foot Woman.  His first major screenplay was Gunslinger in 1956.  He continued to be prolific through the mid-1960s, after which his film credits become sporadic.  His last screenplay was for Star Portal in 1998, five years before his death from stroke complications.

Writing credits
Gunslinger (1956) – with Charles B. Griffith
Not of This Earth (1956) – with Charles B. Griffith
Flesh and the Spur (1956) – Charles B. Griffith
The Undead (1956) – with Charles B. Griffith
 Naked Paradise (1957) – with Charles B. Griffith
The Amazing Colossal Man (1957) - with Bert I. Gordon and George Worthing Yates
 Jet Attack (1958) - story
Attack of the 50 Foot Woman (1958)
 Raymie (1960)
Rebellion in Cuba (1961)
 Blood on the Arrow (1964) - story
 The Gatling Gun (1971) - with Joseph Van Winkle
 Slaughter (1972) - with Don Williams
Star Portal (1997)

References

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American male screenwriters
American male actors
1917 births
2003 deaths
20th-century American male writers
20th-century American screenwriters