"Hawkeye" (and Duke) leave at the end of the movie. TV Show, "Trapper John" leaves and "Hawkeye" stays until the Korean War and Show ends. Trapper left due to Wayne Rogers leaving the show and a failed 20th Century Fox Lawsuit.
MASH barely used Bud Cort which to any MASH TV show fan was more than Gary Burghoff (Radar O'Reilly.) Yet, Bud Cort is forgotten in MASH but remembered with the beloved Ruth Gordon in a Dark Comedy that transcended into 2021 as a cult classic film. It would be Burghoff who would be immortalized in the movie and TV show.
Ben Davidson is not hard to find towards the end of the film standing 6' 8", wearing a blue jersey with the number 88 and playing in the big football game against the 4077th's makeshift team.
He made it to the NFL Hall of Fame.
Yet, Bobby Troup was more complex.
He was a immortalized as "Dr Joe Early" on "Emergency!" He was a professional pianist and composer.
"Get your kicks on Route 66" was just one of his babies which was performed by Nat King Cole.
Bobby Troup graduated with an Economics Degree from Wharton College in Pennsylvania. Yes, the same school trump would brag attending.
Yet to many grandparents and parents, he wrote the school song to Pinecrest Schools known well throughout Los Angeles suburbs.