Roger Lawrence Ewing (born January 12, 1942)[1] is an American film and television actor.

[4] In 1965, Ewing guest-starred in the western television series Gunsmoke, appearing in the episode "Song for Dying".

[4] Ewing's performance impressed the producers, who offered him the role of Clayton Thaddeus "Thad" Greenwood, and he joined the regular cast.

[5][6] He also guest-starred in television programs including Rawhide, The Farmer's Daughter, Bewitched, The Eleventh Hour and Room 222.

[4] Ewing retired from acting in 1972, last appearing in the film Play It as It Lays,[4] and became a professional photographer.