[3] During World War II, Landers served in the United States Merchant Marine.

An encounter with actress Bette Davis led to a membership of Screen Actors Guild and an acting career.

[3] Landers was the spokesman for Taster's Choice coffee in television commercials that aired in the 1970s.

In 1957, Landers played murder victim Donald Briggs in the Perry Mason episode The Case of the Drowning Duck.

He played Dr. Arthur Coleman, who aided Sandra Smith's Dr.Janice Lester, as she attempted to take over Kirk's body in Season 3 Episode 24 of the original Star Trek television series, "Turnabout Intruder", which aired June 3, 1969.