The Advent of Fergus Steve's look-alike Scottish nobleman cousin Fergus, comes to America looking for a bride to take back to his hometown of Sithian Bridge and moves in on the entire Douglas family, much to the dismay of Uncle Charley. Details Casts Title The Advent of Fergus Genres Comedy Family Release Date 1971-09-13 Episode Runtime 00 Hours 30 Minutes Season Number 12 Episode Number 1 Production Companies MCA Television, Don Fedderson Productions, Gregg-Don Inc. Fred MacMurray Steve Douglas Don Grady Robbie Douglas Barry Livingston Ernie Thompson Stanley Livingston Chip Douglas William Demarest Charley O'Casey Beverly Garland Barbara Tina Cole Katie Dawn Lyn Dodie Harper Douglas