Martin Sam Milner (born 28 December 1931) is an American actor best known for his performances in two popular television series, Adam-12 and Route 66.

He has also appeared in other television series, numerous films, radio dramas, a Broadway play, and even a radio fishing show.

Milner was born to film distributor, Sam Gordon Milner, and dancer with the Paramount Theater circuit, Mildred E. "Jerre" Martin in Detroit, Michigan. The family left Detroit when he was very young, and moved frequently before settling in Seattle by the time he was nine. It was in Seattle that he became involved in acting, first in school, and then in a children's theater group at the Cornish Playhouse.