Films:
* The Last Outpost (1951): A western film about a group of soldiers defending a remote outpost during the Indian Wars.
* The Red Stallion in the Rockies (1949): A western adventure film about a young man who sets out to find a lost stallion.
* The Man Who Dared (1946): A war film set during World War II about a pilot who is captured by the Germans.
* The Strange Woman (1946): A drama film starring Hedy Lamarr and George Sanders.
* The Falcon's Adventure (1946): A mystery film featuring the detective character The Falcon.
* The Woman in the Window (1944): A film noir classic starring Edward G. Robinson.
* The Falcon's Brother (1942): Another mystery film featuring the detective character The Falcon.
* The Black Cat (1934): A horror film starring Boris Karloff and Bela Lugosi.
Television:
* The Adventures of Ozzie & Harriet (1952-1966): A sitcom where Lundigan played the role of David Nelson's character's best friend, Rick.
* The Lone Ranger (1949-1957): A western TV series where Lundigan played the role of the Lone Ranger's sidekick, Tonto.
* The Adventures of Superman (1952-1958): A science fiction TV series where Lundigan played various roles, including the villainous "The Puppet Master."
* The Life and Legend of Wyatt Earp (1955-1961): A western TV series where Lundigan played the role of Bat Masterson.
* The Cisco Kid (1950-1956): A western TV series where Lundigan guest-starred in several episodes.
This is just a selection of William Lundigan's extensive filmography. He appeared in many other films and television shows, showcasing his versatility as an actor.