Question: Were both Ted Tetzlaff and David Siegel film actors?

full_context: Document 1: David Seltzer: David Seltzer (born 1940) is an American screenwriter, producer and director, perhaps best known for writing the screenplays for "The Omen" (1976) and "Bird on a Wire" (1990). As writer-director, Seltzer's credits include the 1986 teen tragi-comedy "Lucas" starring Corey Haim, Charlie Sheen and Winona Ryder, the 1988 comedy "Punchline" starring Sally Field and Tom Hanks, and 1992's "Shining Through" starring Melanie Griffith and Michael Douglas.
Document 2: David Guggenheim: David Guggenheim is an American screenwriter, producer, and novelist, best known for writing the 2012 films "Safe House" and "Stolen", as well as creating and writing for the 2016 television series "Designated Survivor". In 2013, the film rights to a suspense novel published by Little, Brown and Company that Guggenheim co-wrote with Nicholas Mennuti entitled "Weaponized", were purchased by Bluegrass Films and Guggenheim was attached as screenwriter. He also worked on the screenplays for the upcoming films "Bad Boys for Life", "Uncharted," and "Narco Sub".
Document 3: Justin David Swibel: Justin David Swibel (born April 1, 1983) is an American screenwriter, director, and producer.
Document 4: Ted Tetzlaff: Dale H. "Ted" Tetzlaff (3 June 1903, Los Angeles, California – 7 January 1995, Sausalito, California) was a noted Academy Award-nominated Hollywood cinematographer active in the 1930s and 1940s.
Document 5: Edward G. Boyle: The career of set decorator Edward G. Boyle (30 January 1899 – 17 February 1977) kicked off in the early 1930s, when he started working on the first of over 100 films. His successful filmography includes such credits as an uncredited assist on the wartorn old South in Victor Fleming's classic "Gone with the Wind" (1939), the Nazi-influenced designs for Charles Chaplin's fictional country of Tomania in "The Great Dictator" (1940), the gritty boxing world in Robert Rossen's "Body and Soul" (1947) and Mark Robson's "Champion" (1949), an elegant Bournemouth seaside hotel in "Separate Tables" (1958), island life at the turn of the century in George Roy Hill's "Hawaii" (1966) and the sophisticated demi-monde of the multi-millionaire lifestyles in Norman Jewison's "The Thomas Crown Affair" (1968).
Document 6: Scott Spiegel: Scott Spiegel (born December 24, 1957) is an American screenwriter, film director, producer and actor. He is best known for co-writing the screenplay for the movie "Evil Dead II" with longtime friend, film director Sam Raimi, with whom he attended Wylie E. Groves High School in Birmingham, Michigan. Spiegel played the role of Scotty in Raimi's "Within the Woods", which served as a precursor to "The Evil Dead".
Document 7: Freddie Young: Frederick A. Young, (9 October 1902 – 1 December 1998), (often credited as F.A. Young) was one of Britain's most distinguished and influential cinematographers. He is probably best known for his work on David Lean's films "Lawrence of Arabia" (1962), "Doctor Zhivago" (1965) and "Ryan's Daughter" (1970), all three of which won him Academy Awards for Best Cinematography.
Document 8: David Siegel (musician): David Siegel is an American producer, songwriter and musician based in Los Angeles, CA. He is best known for co-writing "Escape" recorded by Enrique Iglesias in 2002, as well as co-writing a three-times certified platinum song by the RIAA. "Whatever You Like" recorded by T.I. in 2008, which remained #1 in the Billboard Hot 100 for seven non-consecutive weeks.
Document 9: Tedi Sarafian: Tedi Sarafian is an American screenwriter. He was a co-writer of "" (2003). He is the son of Richard C. Sarafian, and the brother of Richard Sarafian Jr. and Deran Sarafian and the nephew of Robert Altman. He also is the co-owner of Barefoot Sound, manufacturer of high-end recording monitors.
Document 10: Ted Mapes: Ted Mapes (November 25, 1901 – September 9, 1984) was an American character actor, who was also a prolific stuntman and body double. Born on November 25, 1901 in St. Edward, Nebraska, he moved to Los Angeles in his mid-20s, and entered the film industry in 1929, first as a grip, and then as a stuntman and actor. He doubled for many famous actors, including Jimmy Stewart and Gary Cooper. His film and television career spanned forty years, during which time he appeared in hundreds of films and television shows, either as an actor, stuntman or body double. After his career in front of the camera ended in 1969, Mapes became an advocate for animal safety in films, working as an observer on sets for the American Humane Association.
Document 11: David Weisberg: David Weisberg is an American screenwriter, best known for writing 1996 film "The Rock", which he co-wrote with his writing partner Douglas Cook, who died on July 19, 2015. His other credits with Cook include "Payoff", "Holy Matrimony", "Double Jeopardy" and "Criminal". They also wrote another action thriller script "Blank Slate", which is currently un-produced at Bold Films.
Document 12: John Toll: John Toll, A.S.C. (born June 15, 1952) is an American cinematographer. Toll's filmography spans a wide variety of genres, including epic period drama, comedy, science fiction, and contemporary drama. He won the Academy Award for Best Cinematography in both 1994 and 1995 for "Legends of the Fall" and "Braveheart" respectively, and has also won numerous BAFTA, ASC, and Satellite Awards. He has collaborated with several noteworthy directors, including Francis Ford Coppola, Edward Zwick, Terrence Malick, Mel Gibson, John Madden, The Wachowskis, and Ang Lee. Outside of film, he has shot several commercials, the pilot episode of Emmy Award-winning drama series "Breaking Bad", and has served as chief cinematographer on the Netflix original series "Sense8" by the Wachowskis, on which he also got executive producing credit in its second season.
Document 13: William Desmond Taylor: William Desmond Taylor (26 April 1872 – 1 February 1922) was an Irish-born American director and actor. He was a popular figure in the growing Hollywood motion-picture colony of the 1910s and early 1920s, having directed 59 silent films between 1914 and 1922 and acted in 27 between 1913 and 1915.
Document 14: Edward Snyder (cinematographer): Edward Snyder, also known as Edward J. Snyder (1895 – July 10, 1982) was an American cameraman, cinematographer (director of photography), and visual effects/special effects artist. Born in New York City in 1895, Snyder would break into the film industry as the Director of Photography on the 1926 silent film, "The Fighting Marine", which featured the only screen performance by boxing heavyweight champion, Gene Tunney. He would be one of the plethora of talented cameramen to work on the Howard Hughes' 1930 aerial classic, "Hell's Angels", along with such other notable cameramen and future directors of photography, Paul Ivano, Henry Cronjager and Ernest Laszlo. But it was as special effects artist that he would have his greatest success, working on such classic films as Otto Preminger's "Laura"; George Cukor's "Winged Victory"; "The Keys of the Kingdom", starring Gregory Peck; Elia Kazan's A Tree Grows in Brooklyn; Anna and the King of Siam, starring Irene Dunne and Rex Harrison; and 1948's Deep Waters, for which he was nominated for an Academy Award (losing to the special effects team of Portrait of Jennie). Snyder died in 1982.
Document 15: David Siegel (screenwriter): David Siegel is an American film director, screenwriter and producer, and part of a long-standing writing-directing-producing team with filmmaker Scott McGehee.
ground_truth: no