Eddie Quillan was a long respected actor and he is amongst the most prolific actors to appear on Little House on the Prairie based on number of episodes he appeared in and multiple characters he portrayed.
Quillan appeared in 7 different episodes of Little House on the Prairie, spanning six different seasons, and not one character he portrayed was the same. He even portrayed the iconic character of Buffalo Bill in his last Little House guest star appearance.
Here is a list of all his roles on the series:
Jed Haney in To Run & Hide
Judge Picker in The High Cost of Being Right
Gargan in Someone Please Love Me
Shorty in The Return of Mister Edwards
Kavendish in The In-Laws
Old Timer in Days of Sunshine, Days of Shadow: Part One
Buffalo Bill in For the Love of Blanche
After the run of Little House on the Prairie ended, he also had guest starring roles in both Father Murphy and Highway to Heaven, both Michael Landon series.