Question: Who directed the 1978 film that Hank Searls wrote a novelization for?

Context articles: Hank Searls
Star Wars: The Force Awakens (novel)
Jaws 2
If Ever I See You Again
Young Joe, the Forgotten Kennedy
Hwang Jang-lee
The Crowded Sky
Marrie Lee
Karunai Ullam
Countdown (1968 film)

Henry Hunt "Hank" Searls (born August 10, 1922) is an American author and screenwriter.
 His novels included "The Crowded Sky" (1960), which was adapted as a film with Dana Andrews and Rhonda Fleming, "The Penetrators" (1965, writing as Anthony Gray), and "The Pilgrim Project" (1964), which was adapted as the 1968 film "Countdown".
 Searls also wrote the novelizations for the films "Jaws 2" (1978) starring Roy Scheider and Murray Hamilton and "" (1987) starring Michael Caine and Lorraine Gary.
Star Wars: The Force Awakens is the novelization of the 2015 .
 The author, Alan Dean Foster, also wrote "", the 1976 novelization of the first "Star Wars" film.
Jaws 2 is a 1978 American thriller film, the first sequel to Steven Spielberg's "Jaws" (1975), and the second installment in the "Jaws" franchise.
 Directed by Jeannot Szwarc, it stars Roy Scheider as Police Chief Martin Brody, with Lorraine Gary and Murray Hamilton reprising their respective roles as Martin's wife Ellen Brody and mayor Larry Vaughn.
 The film also stars Joseph Mascolo, Jeffrey Kramer, Collin Wilcox, Ann Dusenberry, Mark Gruner, Susan French, Barry Coe, Donna Wilkes, and Gary Springer.
"If Ever I See You Again" is the title of a 1978 hit single by Roberta Flack.
 The song was composed by Joseph "Joe" Brooks and served as the title song for the eponymous 1978 film "If Ever I See You Again" that Brooks directed and also starred in with Shelley Hack as his leading lady.
 Male vocalist Jamie Carr sang the theme song on the film's soundtrack.
Young Joe, the Forgotten Kennedy is a 1977 television movie that originally aired on ABC.
 Based upon the biography by Hank Searls called "The Lost Prince: Young Joe, the Forgotten Kennedy", the film chronicles the life of Joseph P. Kennedy, Jr., the older brother of John F. Kennedy who was killed in action in World War II, leaving behind aspirations to become the first Irish-Catholic president.
 "Young Joe" stars Peter Strauss in the titular role and was directed by Richard T. Heffron.
Hwang Jang Lee (born December 21, 1944) is a Japanese-born Korean martial artist and film actor.
 Hwang is perhaps best known for his role as "Thunderleg" in 1978's "Drunken Master", "Sheng Kuan" in 1978's "Snake in the Eagle's Shadow" and Wong Chin in 1981's "Hitman in the Hand of Buddha".
 Variations of his name include Wong Cheng Lee and Wong Cheng Li, in the Cantonese Chinese equivalents.
 His nicknames are Silver Fox (the name of his most popular movie character); "Thunderleg" and "Thunderfoot" (from his role in 1978 film Drunken Master).
The Crowded Sky is a 1960 Technicolor drama film directed by Joseph Pevney, starring Dana Andrews, Rhonda Fleming and Efrem Zimbalist Jr. The film is based on the novel of the same name by Hank Searls.
Doris Young Siew Keen (born November 25, 1959 in Singapore) is a Singaporean actress.
 Given the stage name Marrie Lee, she made her film debut at age 18, portraying the title character in 1978's "They Call Her Cleopatra Wong", a martial arts film about a female Interpol agent written and directed by Bobby A. Suarez.
 She reprised the role in 1979's "Dynamite Johnson", in which she was teamed up with the 10-year-old Singaporean tae kwon do practitioner, Johnson Yap, from "Bionic Boy", a 1978 film written by Suarez, and "The Devil's Three", in which Cleopatra Wong leads an all-female team of crimefighters in the Philippines.
Karunai Ullam is Tamil movie released in 1978 starring Sreekanth, K. R. Vijaya and directed by A. Bhimsingh.
 Sreekanth received Tamil Nadu State Film Award for Best Actor for his performance in the film Karunai Ullam (1978 film).
Countdown is a 1968 science fiction film directed by Robert Altman, based on the novel "The Pilgrim Project" by Hank Searls.
 It stars James Caan and Robert Duvall as astronauts vying to be the first American to walk on the Moon as part of a crash program to beat the Soviet Union.