First was G. Wood or George Wood as he was sometimes credited, (December 31, 1919 – July 24, 2000) played Brigadier General Hammond in the 1970 Robert Altman directed film MASH as well as several episodes of the first season of the CBS-TV series M*A*S*H in 1972, appearing the show's first episode "Pilot".

Second was a major role, Gary Burghoff who played Walter Eugene "Radar" O'Reilly in both lasted seven seasons.

Several other actors appeared in both, but as different characters. Only these two had the same role in both.

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