Roger Addison

"'Aren't you people over doing this a bit'""-- Roger Addison when he sees his new next-door neighbours and just married couple Wilbur Post and his wife Carol kissing affectionately in each others arms."Roger Addison is married to his wife Kay Addison and is also Wilbur and Carol Post's, next-door neighbour and is the original owner of the Post's house. Mr Addison finds Wilbur sometimes acting strange and making up stories often involving his horse Mister Ed which Roger never really likes often calling him "Old plug, flee bag and a lazy horse that does nothing" and Ed's feelings are mutual about him, but overall he finds Wilbur Post a good neighbour.

He is played by actor Larry Keating until the end of Season 3 upon his real-life death. He was later replaced by new actors to play Wilbur and Carol Post's new next-door neighbours in the Mister Ed sitcom named Col. Gordon Kirkwood played by actor Leon Ames and his wife Winnie Kirkwood played by actress Florence MacMichael.