Question: X-15 starred which American film actor from many Marlboro commercials?

Context paragraphs:
X-15 (film): X-15 is a 1961 dramatic aviation film that presents a fictionalized account of the X-15 research rocket aircraft program, the test pilots who flew the aircraft, and the associated NASA community that supported the program.  "X-15" starred David McLean, Charles Bronson, Mary Tyler Moore (in her first feature film role), Kenneth Tobey and James Gregory.  The film marked the directorial debut of Richard Donner, and was narrated by James Stewart.

Tom Sizemore: Thomas Edward "Tom" Sizemore, Jr. (born November 29, 1961) is an American film and television actor and producer.  He is known for his supporting roles in films such as "Born on the Fourth of July" (1989), "Harley Davidson and the Marlboro Man" (1991), "Passenger 57" (1992), "True Romance" (1993), "Natural Born Killers" (1994), "Strange Days" (1995), "Heat" (1995), "Saving Private Ryan" (1998), "Red Planet" (2000), "Black Hawk Down" (2001), "Pearl Harbor" (2001), and for voicing Sonny Forelli in the video game "".

Rajesh Krishnan: Rajesh Krishnan(born 3 June 1974) is an Indian melody playback singer and film actor.  Although he is popularly known for his works in Kannada films, he has sung more than 4000 songs in Kannada for over 1100 films and 500 songs in Telugu and 500 songs in Tamil, Hindi and many other regional 16 languages film songs.  Making his mainstream debut in the film "Gauri Ganesha" (1991), he has sung for many devotional albums, theme albums and commercials in a career spanning over almost two decades.

David McLean (actor): David McLean (born May 19, 1922, Akron, Ohio – d. October 12, 1995, Culver City, California) was an American film and television actor, best known for appearing in many Marlboro television and print advertisements beginning in the early 1960s.

Darrell Winfield: Darrell H. Winfield (July 30, 1929 – January 12, 2015) was an American rancher and model best known as "The Marlboro Man" in television commercials and magazine advertisements for Marlboro cigarettes.  Winfield was born in Kansas, Oklahoma.  His family relocated to California's San Joaquin Valley when he was 6 years old.  This move was inspired by the "Okie migration" that was prominent in the 1930s where many mid-west farmers, devastated by the Dust Bowl, headed west to California to start over.  He was the Marlboro man from 1968 until 1989.  He is also credited with being the most portrayed man in the world by some.  Philip Morris has used many cowboys for their ads but has declared that Winfield was "really the Marlboro man."

Tom Poston: Thomas Gordon Poston (October 17, 1921 – April 30, 2007) was an American television and film actor.  He starred on television in a career that began in 1950.  He appeared as a comic actor, game show panelist, comedy/variety show host, film actor, television actor, and Broadway performer.  According to "USA Today" Life editor Dennis Moore, Poston appeared in more sitcoms than any other actor.  In the 1980s, he played George Utley opposite Bob Newhart's character on "Newhart".

John Roselius: John Roselius (born August 19, 1944) is a well-known American film and television actor.  He appeared in numerous films, guest starred on many TV shows, and was the principal actor in over 200 television commercials, including the famed "This Is Your Brain on Drugs" public service announcement.

Ruben Carbajal: Rubén Carbajal (born February 26, 1993) is an American actor who has appeared on many television series.  His most watched appearance was a mini series "Kingpin".  In this series, Carbajal worked with actors such as Yancey Arias, Sheryl Lee, Bobby Cannavale, Angela Alvarado Rosa, and many more.  Rubén started his acting career with commercials when he was 5 years old, then moved to TV series acting.  Along with commercials for Chuck E. Cheese and Propositions, he was also on a college student's film One Last Run in which he starred as the son of the main character.  He has appeared on the following TV series: "Zoey 101", "Punk'd", and starred on NBC's "Kingpin".  Rubén attended Loyola High School of Los Angeles and graduated in 2011.  Rubén will be starring in the role of John Laurens/Phillip Hamilton on the national tour of "Hamilton", which opens in March 2017 in San Francisco.

Dex Manley: Dexter "Dex" Manley is an American commercial and video game voice actor.  He has worked under 300 commercials and 25 video games.  He worked for Microsoft, Boeing Company, Alaska Airlines, and others.  Dexter extensively worked for Nintendo, providing voice for many "Mario" and "Donkey Kong" games.  He voiced Barry DeJay and Buddy Cheque in the Backyard Sports series, often working with his Mario colleagues Jen Taylor and Samantha Kelly, who both voiced Princess Peach.  Manley also twice lent his voice talent to "Star Fox" series, voicing ROB 64 in "" and Falco Lombardi along with Peppy Hare in "Super Smash Bros.  Brawl".  He appeared as a host on 2005 SIGGRAPH meeting, where he discussed voice acting topics.  Manley is the president of Tenacious Media, media and marketing company operating in Seattle, Washington.  Dexter is also a film actor, usually filming in independent films and playing supporting roles.

Shawn David Thompson: Shawn David Thompson is an American actor and filmmaker born in Washington, D.C. on April 17, 1967 and raised in Upper Marlboro, MD.  After graduating from high school, Thompson attended the University of Maryland and studied film for four years before leaving for NYC.  While waiting tables, he was discovered by acting agent Steve Carson, who placed him in numerous commercials.  He then was cast in a number of daytime series, including "As the World Turns", "Ryan's Hope", "The Guiding Light" and "All My Children".

Supporting paragraphs: X-15 (film) David McLean (actor)
Answer: David McLean