Minor Characters In Dallas You Recognize From Movies Or Other TV

[WarriorsFan]

Nicholas Hammond who played Bill Johnson, Lucy's agent when she was a model...
...was also Friedrich von Trapp in the film The Sound of Music.

Nicholas Hammond is best known for The Sound of Music and The Amazing Spider-Man. His Dallas episodes were Hit and Run (November 12, 1982), The Ewing Touch (November 19, 1982), and Post Nuptial (December 10, 1982). He also appeared in two episodes of Falcon Crest: Penultimate Questions (April 9, 1982) and Ultimate Answers (April 16, 1982).

Barry Jenner (Jerry Kenderson) appeared as Lieutenant Murtaugh on Family Matters.

Barry Jenner best known role I'd say was Star Trek: Deep Space 9. He was also Jeff Cunningham on Knots Landing and appeared in two episodes of Falcon Crest (Ties That Bind (May 5, 1989) and The Last Laugh (May 12, 1989)).

 

[Sarah Danner]

Mel Ferrer (who played Harrison Page) had a glowing resume on the silver screen for decades.
He later held a regular role for a year or so on Falcon Crest.