McGrath's Wooster character hence provided the meals and companionship for both fictional trail masters, Ward Bond as Seth Adams and John McIntire as Christopher "Chris" Hale.

In Fort Apache, McGrath appeared in fifty one scenes with both main characters John Wayne and Henry Fonda.

A year before Wagon Train began, McGrath appeared briefly as ranch foreman John Pike in a 1956 episode "Quicksand" of the first hour-long television Western series, ABC's Cheyenne, starring Clint Walker.

In 1958, he portrayed the character Jake Rivers in the episode "The Most Dangerous Man Alive" on NBC's Tales of Wells Fargo, starring Dale Robertson.

[2] After Wagon Train, McGrath appeared in 1965 and 1966 as Uncle Lucius in nine episodes of ABC's situation comedy Tammy, with Debbie Watson in the title role and Denver Pyle as the grandfather.

Shortly before his death, McGrath played a bartender in the picture The War Wagon, the character Ned Martin in Gunfight in Abilene, and Ballard Weeks in Glenn Ford's, The Last Challenge.

[3] Still photos exist today from 20th Century Fox film "Slave Ship" (1937) showing identically dressed Baxter and his stand-in, McGrath, looking very much like brothers.

[4] His last role was as Mr. Remington in the Don Knotts comedy-western, The Shakiest Gun in the West, released in 1968, the year after McGrath's death.