Christine White with William Shatner in the 1963 âTwilight Zoneâ episode âNightmare at 20,000 Feet.â  Julia Wilson wore pearls and a face of reassurance as she and her husband, Robert, took their seats on an airplane operated by Gold Star Airways half a century ago. Robert Wilson had just been released from a sanitarium. Six months earlier he had suffered a mental breakdown â on an airplane.  âHoney, you are cured,â Mrs. Wilson told her anxious husband as they fastened their seat belts. âThat Dr. Martin wouldnât let you fly if you werenât â would he?â  The Wilsons believed they were heading home. Viewers that night in 1963 were forewarned of their real destination: âThe Twilight Zone.â  The episode, âNightmare at 20,000 Feet,â based on a short story by Richard Matheson, portrays a manâs descent from anxiety into startling but possibly lifesaving violence as he takes action to stop a âgremlinâ that he â and only he â can see on the planeâs left wing tampering with an engine in the middle of a stormy flight. The show became a classic â remade in a movie, honored in song and spoofed on âSaturday Night Live,â â3rd Rock From the Sunâ and âThe Simpsons.â  It was dominated by the increasing terror of Mr. Wilson, played by William Shatner; the ghoulish camp of the gremlin, played by Nick Cravat, who was not credited; and the increasingly strained composure of Mrs. Wilson, played by Christine White.  Ms. White died on April 14 at 86 in a nursing home in Washington, according to a death notice published May 11 in The Carroll County Times in Maryland.  Her role in the 25 minutes that comprise âNightmare at 20,000 Feetâ may not have been as prominent as those of Mr. Shatner or Mr. Cravat. But it was central to the episode and perhaps the most memorable part she played in her quarter-century acting career.  Christine Lamson White was born on May 4, 1926, in Washington. She received a degree in English from the University of North Carolina at Chapel Hill in 1947. She performed in plays in college and moved to New York after she graduated to pursue a career in theater. By the early 1950s she was in Hollywood, where she appeared in movies and television shows well into the 1970s, including âBonanza,â âThe Rifleman,â âThe Untouchablesâ and âFather Knows Best.â Her survivors include numerous nieces and nephews.  In âNightmare at 20,000 Feet,â viewers look to Julia Wilson to know what to make of her husband. While he worries, she dozes on sleeping pills. When he continues to see the gremlin out the window to his left, he turns to his wife, calm and determined to be supportive, to his right. At one point he begs her to tell the flight crew what he is seeing even though, when she looks out, or others do, the gremlin is nowhere in sight.  âI know itâs asking a lot,â he says. âItâs like asking you to advertise your marriage to a lunatic.â  Resolved to be devoted, she responds, âIâll tell them. You just sit tight, and Iâll tell them.â
Ms. White was seen in television roles from the 1950s through the mid-1970s, but was best remembered playing William Shatnerâs loyal wife in âNightmare at 20,000 Feet.â