Were László Benedek and Leslie H. Martinson both film directors?
yes
Title: Song of Russia
Passage: Song of Russia is a 1944 American war film made and distributed by Metro-Goldwyn-Mayer.  The picture was credited as being directed by Gregory Ratoff, though Ratoff collapsed near the end of the five-month production, and was replaced by László Benedek, who completed principal photography; the credited screenwriters were Paul Jarrico and Richard J. Collins.  The film stars Robert Taylor, Susan Peters, and Robert Benchley.
Title: Leslie H. Martinson
Passage: Leslie Herbert "Les" Martinson (January 16, 1915 – September 3, 2016) was an American television and film director.
Title: Rescue from Gilligan's Island
Passage: Rescue from Gilligan's Island is a 1978 made-for-television comedy film that continues the adventures of the shipwrecked castaways from the 1964–67 sitcom "Gilligan's Island", starring Bob Denver and Alan Hale, Jr. The film first aired on NBC as a two-part special on October 14 and October 21, 1978.  In depicting the long-awaited rescue of the castaways, the film forms a cathartic response to many of the episodes of the series in which "they almost get off the island".  The film was directed by Leslie H. Martinson.
Title: Assault on Agathon
Passage: Assault on Agathon is a 1975 drama film directed by László Benedek.  Based on a novel by Alan Caillou, the film stars Nico Minardos, Nina van Pallandt, Marianne Faithfull and John Woodvine.
Title: Port of New York (film)
Passage: Port of New York is a 1949 film noir crime film directed by László Benedek with cinematography by George E. Diskant and shot in semidocumentary style.  The film is notable for being Yul Brynner's first movie.  He had not begun shaving his head yet.  The film, which is very similar to "T-Men" (1947), was shot on location in New York City.
Title: László Benedek
Passage: László Benedek (] ; March 5, 1905 – March 11, 1992; sometimes "Laslo Benedek") was a Hungarian-born film director and cinematographer, most notable for directing "The Wild One" (1953).
Title: Affair in Havana
Passage: Affair in Havana is a 1957 film noir crime film directed by László Benedek and written by Maurice Zimm.  It stars Raymond Burr and John Cassavetes.
Title: Death of a Salesman (1951 film)
Passage: Death of a Salesman is a 1951 film adapted from the play of the same name by Arthur Miller.  It was directed by László Benedek and written for the screen by Stanley Roberts.  The film received many honors, including four Golden Globe Awards, the Volpi Cup and five Academy Award nominations.  Alex North, who wrote the music for the Broadway production, was one of the five Academy Award nominees for the film's musical score.
Title: The Wild One
Passage: The Wild One is a 1953 American film directed by László Benedek and produced by Stanley Kramer.  It is most noted for the character of Johnny Strabler (Marlon Brando), whose persona became a cultural icon of the 1950s.  "The Wild One" is considered to be the original outlaw biker film, and the first to examine American outlaw motorcycle gang violence.
Title: Children, Mother, and the General
Passage: Children, Mother, and the General (German: Kinder, Mütter und ein General , and also released as "Sons, Mothers, and a General") is a 1955 West German war film directed by László Benedek and starring Hilde Krahl.
Leslie H. Martinson László Benedek