Acting
- 1977The Amazing Howard HughesSen. Brewster2 ep.
- 1966Mission: ImpossibleGen. Marin3 ep.
- 1966Star TrekSurak1 ep.
- 1963The Outer LimitsDr. Jonas Temple1 ep.
- 1962The Alfred Hitchcock HourBorchter2 ep.
- 1959Black SaddleColey Dakins2 ep.
- 1955GunsmokeEd Eby5 ep.
- 1953You Are ThereLouis Braille2 ep.
Guest appearances
- 1977The Rockford FilesRaoch1 ep.
- 1974Kung FuKyle Thurmond1 ep.
- 1970Hawaii Five-OLester Workman, Michael Holt3 ep.
- 1966Mission: ImpossibleDr. Carlos Enero, Gen. Marin, Premier Leon Vados3 ep.
- 1969The Name of the GameSheriff Lucas1 ep.
- 1956GunsmokeEd Eby, Harp, Jesse Daggett, Mr. Bowen5 ep.
- 1969Star TrekSurak1 ep.
- 1968The InvadersDorcas1 ep.
- 1966BewitchedBoris1 ep.
- 1959Perry MasonDr. Stuart Logan, George Albert, Robert Benson3 ep.
- 1965The FugitiveCleve Logan1 ep.
- 1963The Alfred Hitchcock HourBorchter, Gar Newton2 ep.
- 1963The Outer LimitsDr. Jonas Temple1 ep.
- 1960The Twilight ZoneLes Goodman1 ep.
- 1959One Step BeyondMr. Graham1 ep.
- 1959Black SaddleBrand, Coley Dakins2 ep.
- 1955You Are ThereBarry - Newsman, Louis Braille2 ep.
Also known as: B.G. Atwater · G. B. Atwater · Garrett "Barry" Atwater · Garrett Atwater