Question: What nationality was the actor who started with Joseph Cotten and Martha Hyer in Some May Live ?

Context articles: Picture Mommy Dead
Rooster Cogburn (film)
The Joseph Cotten Show
The Carpetbaggers (film)
Francis in the Navy
Some May Live
The Night of the Grizzly
Peter Cushing
Politics of Svalbard
Martha Hyer

Picture Mommy Dead is a 1966 American horror film directed by Bert I. Gordon and starring Don Ameche and Martha Hyer.
 The film follows the genre of a "mad family", that "Psycho" (1960) started.
Rooster Cogburn is a 1975 American western adventure film directed by Stuart Millar and starring John Wayne, reprising his role as U.S. Marshal Reuben J. "Rooster" Cogburn, and Katharine Hepburn.
 Written by Martha Hyer, based on the U.S. Marshal Rooster Cogburn character created by Charles McColl Portis in his 1968 western novel "True Grit", the film is about an aging one-eyed lawman whose badge was recently suspended for a string of routine arrests that ended in bloodshed.
 To earn back his badge, he is tasked with bringing down a ring of bank robbers that has hijacked a wagon shipment of nitroglycerin.
 He is helped by a spinster searching for her father's killer.
 "Rooster Cogburn" is a sequel to the 1969 film "True Grit", which won for Wayne his only Academy Award ("Oscar") for Best Actor in 1970.
The Joseph Cotten" Show (also known as On Trial") is an American anthology series hosted by and occasionally starring Joseph Cotten.
 The series, which first aired on NBC, aired 31 episodes from September 14, 1956, to September 13, 1957.
 Four other new episodes were broadcast on CBS in Summer 1959.
The Carpetbaggers is a 1964 American film directed by Edward Dmytryk, based on the best-selling novel "The Carpetbaggers" by Harold Robbins, and starring George Peppard as Jonas Cord, a character based loosely on Howard Hughes, and Alan Ladd in his last role as Nevada Smith, a former western gunslinger turned actor.
 Carroll Baker, Martha Hyer, Bob Cummings and Elizabeth Ashley also star.
Francis in the Navy is a 1955 American black-and-white comedy film from Universal-International, produced by Stanley Rubin and directed by Arthur Lubin.
 The film stars Donald O'Connor and Martha Hyer, and marked the first credited film role of Clint Eastwood.
 The distinctive voice of Francis is a voice-over by actor Chill Wills.
Some May Live is a 1967 British war film directed by Vernon Sewell and starring Peter Cushing, Joseph Cotten and Martha Hyer.
 It is also known as In Saigon Some May Live.
 During the Vietnam War, a security leak in Saigon has to be plugged, when U.S. decoder Kate Meredith is faced with the dilemma of her husband pressuring her to give him information.
The Night of the Grizzly is a 1966 western–adventure film starring Clint Walker, Martha Hyer, Keenan Wynn, Jack Elam and Nancy Kulp.
 Directed by Joseph Pevney and written by Warren Douglas, the film was released by Paramount Pictures on April 20, 1966.
 It was Pevney's final film.
Peter Wilton Cushing, OBE (26 May 191311 August 1994) was an English actor and a BAFTA TV Award Best Actor winner in 1956.
 He is mainly known for his prolific appearances in Hammer Films, in which he played strong character roles like the sinister scientist Baron Frankenstein, Sherlock Holmes and the vampire hunter Dr. Van Helsing, among many other roles.
 He appeared frequently opposite Christopher Lee and, occasionally, Vincent Price.
Svalbard lies under the sovereignty of Norway, but the Svalbard Treaty places several restrictions.
 Norway cannot use the archipelago for warlike purposes, cannot discriminate economic activity based on nationality and is required to conserve the natural environment.
 Uniquely, Svalbard is entirely visa-free zone.
 Everybody may live and work in Svalbard indefinitely regardless country of citizenship.
 Svalbard Treaty grants treaty nationals equal right of abode as Norwegian nationals.
 Non-treaty nationals may live and work indefinitely visa-free as well.
 "Regulations concerning rejection and expulsion from Svalbard" is in force on non-discriminatory basis.
Martha Hyer (August 10, 1924 – May 31, 2014) was an American actress.
 She is best remembered for her role as Gwen French in "Some Came Running" (1958), for which she was nominated for the Academy Award for Best Supporting Actress.
 Her autobiography, "Finding My Way: A Hollywood Memoir", was published in 1990.