Question: Do both directors of films Shore Leave (film) and Cross of Iron share the same nationality?

<P0-S0> Mr. Right is a 2009 British film directed by David Morris and Jacqui Morris. <P0-S1> The jointly- made gay- themed film is the debut for both directors. <SEP> <P1-S0> John Stuart Robertson (14 June 1878 – 5 November 1964) was a Canadian born actor and later film director perhaps best known for his 1920 screen adaptation of "Dr. Jekyll and Mr. Hyde", starring John Barrymore. <SEP> <P2-S0> David Samuel Peckinpah( February 21, 1925 – December 28, 1984) was an American film director and screenwriter who achieved prominence following the release of the Western epic" The Wild Bunch"( 1969). <P2-S1> He was known for the visually innovative and explicit depiction of action and violence as well as his revisionist approach to the Western genre. <P2-S2> Peckinpah's films generally deal with the conflict between values and ideals, as well as the corruption and violence in human society. <P2-S3> His characters are often loners or losers who desire to be honorable, but are forced to compromise in order to survive in a world of nihilism and brutality. <P2-S4> He was given the nickname" Bloody Sam" owing to the violence in his films. <P2-S5> Peckinpah's combative personality, marked by years of alcohol and drug abuse, affected his professional legacy. <P2-S6> Many of his films were noted for behind- the- scenes battles with producers and crew members, damaging his reputation and career during his lifetime. <P2-S7> Some of his films, including" Major Dundee"( 1965)," Straw Dogs"( 1971)," The Getaway"( 1972)," Pat Garrett and Billy the Kid"( 1973)," Bring Me the Head of Alfredo Garcia"( 1974) and" Cross of Iron"( 1977), remain controversial. <SEP> <P3-S0> Burkhard Driest( born 28 April 1939 in Stettin, Germany, now Szczecin, Poland) is a German actor, writer and director, perhaps best known for his acting work in Sam Peckinpah's" Cross of Iron" and Rainer Werner Fassbinder's" Querelle". <SEP> <P4-S0> Shore Leave is a 1925 American silent comedy film directed by John S. Robertson and starring Richard Barthelmess and Dorothy Mackaill. <P4-S1> It was produced by Barthelmess's production company, Inspiration, and released by First National Pictures. <P4-S2> A print of the film survives. <P4-S3> " Shore Leave" is based on the stage play of the same name written by Hubert Osborne. <P4-S4> The play ran on Broadway at the Lyceum Theatre from August 8 to December 1922 for a total of 151 performances. <P4-S5> The play starred James Rennie and Frances Starr in the leads played by Barthelmess and Mackaill in the film. <SEP> <P5-S0> Cross of Iron( German:" Steiner – Das Eiserne Kreuz", lit. <P5-S1> " Steiner – The Iron Cross") is a 1977 war film directed by Sam Peckinpah, featuring James Coburn, Maximilian Schell, James Mason and David Warner. <P5-S2> Set on the Eastern Front in World War II during the Soviets' Caucasus operations against the German Kuban bridgehead on the Taman Peninsula in late 1943, the film focuses on the class conflict between a newly arrived, aristocratic Prussian officer who covets winning the Iron Cross and a cynical, battle- hardened infantry NCO. <P5-S3> An international co-production between British and West German financiers, the film's exteriors were shot on location in Yugoslavia.