Gilman Warren Rankin (April 17, 1911 – October 31, 1993) was an American film and television actor.

[4] He began his career in 1949, first appearing in the film Bride of Vengeance, where he played the uncredited role of a scout.

[1] He continued his career mainly appearing in film and television programs for which he played the role of Deputy Charlie Riggs in the western television series Tombstone Territory,[5] in which Rankin only appeared in its first season.

[1] Later in his career, Rankin appeared in television programs including Gunsmoke,[4] The Adventures of Kit Carson, Cheyenne, Two Faces West, Tales of Wells Fargo, Riverboat,[4] State Trooper, The Life and Legend of Wyatt Earp, My Three Sons, Perry Mason and Shotgun Slade.

He also appeared in films such as, Midnight Cowboy,[6] Fort Algiers, Roar of the Crowd, The Greatest Show on Earth, Ghost Town and Black Patch.