John Anderson (October 20, 1922 – August 7, 1992) was an American actor and director born in Clayton, Illinois.
He was known for several roles, including his recurring role in MacGyver as Harry Jackson, the title character's grandfather.
Earlier work included appearances on many Western series, including several episodes of Gunsmoke in various roles, and The Life and Legend of Wyatt Earp as Virgil Earp. He portrayed Franklin Delano Roosevelt in the popular TV miniseries Backstairs at the White House (1979). He also portrayed the character Kevin Uxbridge in the Star Trek: The Next Generation episode "The Survivors".
A recurring Twilight Zone actor, he starred in four different episodes, "The Old Man in the Cave", "Of Late I Think of Cliffordville", "The Odyssey of Flight 33", and "A Passage for Trumpet".
Standing 6 ft 5 ½ in tall (197 cm), he bore a strong resemblance to U.S. President Abraham Lincoln, whom he portrayed twice. He was also the uncredited voice of Mark Twain in the Epcot attraction The American Adventure.