Judd Clifton Holdren (October 16, 1915 – March 11, 1974) was an American film actor who starred in science fiction movies.

[1] He was born near Villisca, Iowa, the fifth of 10 children in a farming family, and showed early interest in an acting career.

[1] During World War II, he served in the United States Coast Guard on the USS General H. B. Freeman (AP-143), then moved to Hollywood.

Most of his early film parts were uncredited bits, including All the King's Men (1949) and Francis the Talking Mule (1950).

Holdren portrayed Aramis in the Three Musketeers adventure film Lady in the Iron Mask (1952) starring Louis Hayward as D'Artagnan and Patricia Medina in the titular role.