Early roles
Robertson began his acting career by chance when he was in the … See more

In 1963, after Tales of Wells Fargo ended its five-year run, he played the lead role in the first of A.C. Lyles' Law of the Lawless. The film was initially set to star Rory Calhoun, b… See more

In his later years, Robertson and his wife, Susan Robbins, who married in 1980, lived on his ranch in Yukon, Oklahoma, where it was reported he owned 235 horses at one time, with fi… See more