Solid-looking, intense and earnest leading man who enjoyed success onstage in "Mister Roberts" and Tennessee Williams's "Orpheus Descending", performed on TV in the title role of the science-fiction series, "Rod Brown of the Rocket Rangers" (1953-54) and moved to film in support of William Holden in the small-town melodrama, "Picnic" (1955). Brunet-haired and medium in height, with a grim, serious expression and a cultured, sandpapery voice to go with it, Robertson never achieved top star status in Hollywood, but did find a niche portraying angst-ridden but intelligent and reliable Everymen,
Gained acting experience on the stage (including Broadway) in the early 50s; made appearances in "Mister Roberts", "The Wisteria Tree" and "Orpheus Descending", among others
Earliest TV appearances include work in the early 50s on such dramatic anthology series as "Short, Short Drama" and "Montgomery's Summer Stock"
Played Ranger Rod Brown on the CBS science-fiction series, "Rod Brown of the Rocket Rangers"
1956
Made feature film debut in a prominent supporting role in "Picnic", based on William Inge's stage play
