Douglas' work on stage included work in local theater and acting in productions in summer stock theater.[1] On Broadway, he had the role of Alec Dixon in Happily Ever After (1945).[5]
Beginning in the 1950s, Douglas focused his efforts more on writing than on acting. He wrote two novels, The Man from Wells Fargo, and One Came Alone, in addition to 48 teleplays and screenplays. He also wrote the lyrics and books for the musicals Belle Starr, Go for Your Gun, and The Peaceful Palace.[3]
On November 15, 1997, Douglas died of heart failure at the Kit Carson Rest Home in Jackson, California, at age 86.[1]