From 1957 to 1958, he filled the lead role of Captain Shank Adams on Boots and Saddles, with episodes set in the Arizona Territory on a United States Army fort.

From 1960 to 1975, he appeared in twelve episodes of the long-running CBS Western, Gunsmoke, with James Arness, who in 1955 had beaten out Pickard for the series lead as Marshal Matt Dillon.

In 1959, Pickard was cast, uncredited, as a Mississippi River pirate in the episode "The Unwilling" of the NBC Western series, Riverboat, starring Darren McGavin and Burt Reynolds.

In the story line, businessman Dan Simpson, played by Eddie Albert, attempts to open a general store in the American West despite a raid from river pirates who stole from him $20,000 in merchandise.

[citation needed] In 1961, Pickard had brief recurring role of Sergeant Major Murdock in the short-lived CBS Western Gunslinger, starring Tony Young.

Other television series' include Lassie, The Twilight Zone S5 E12 "Ninety Years Without Slumbering" 1963, Ben Casey, Ironside, Mission: Impossible, and Cannon.