Carol Rossen as Dr. Evelyn Cole

Walter Burke as Luke aka Old Man

 Joseph Perry as Taeger - left

Clarke Gordon as Howland, he is the one with the patch over his eye

Eddie Little Sky as the Indian who attacked Dr. Evelyn Cole

Stuart Margolin as the cavalry officer

He also appeared with Chuck in "Support Your Local Gunfighter" and "Arrest and Trial"

Highly recognizable Irish-American character actor whose small stature and wizened features made him resemble a leprechaun (a role which he played on more than one occasion). Began his career on the Broadway stage as a child actor.

 Joseph Perry also appeared with Chuck in "The Rifleman" - 'The Illustrator'

I'm sure you remember him from and episode of "The Rifleman" - 'The Indian' - He was the Indian, Deputy United States Marshal Sam Buckhart had in custody when Lucas & Mark passed them on the country side. One of the least known and yet most seen Indian actors on screen and TV. Eddie was a member of the Lakota Sioux tribe and appeared on numerous TV western series in the 1950s through the 1970s. Little Sky was a handsome man with a very athletic body.

He also was in another episode of "Branded" - 'One Way Out'

I'm sure you all know him from "The Rockford Files" as   Evelyn Angel Martin