He earned seven caps, scoring one goal, with the Trinidad and Tobago national football team.
As the fifth shooter, he converted on the game-winning penalty kick for the Aztecs in the 1974 NASL Championship Final.
There was a bit of controversy on the play, as he actually missed on his first attempt; the referee however granted him a re-kick after judging Miami goalkeeper Osvaldo Toriani to have come off his line early.
[2][3] In 1977, he moved to the ASL's California Sunshine for two seasons,[4][5] then, in the winter of 1978–79, played for the Cleveland Force of the Major Indoor Soccer League.
In 1980, Douglas returned to outdoor soccer (and to Southern California) to play for Maccabi Los Angeles.