McLeod appeared in dozens of other series including The Millionaire, Meet McGraw, Richard Diamond, Private Detective, 77 Sunset Strip, Mickey Spillane's Mike Hammer, Bronco, Colt .45, Lawman (in the 1961 episode "The Prodigal Mother", with child actor Billy Booth), Bonanza, Hazel, Hawaiian Eye, Have Gun - Will Travel, The Outer Limits, The Virginian, "Letty, Gunsmoke" and the Ten Thousand Horses Singing episode of Studio One opposite James Dean and John Forsythe.