Mr. Conductor was a character in the children's series Shining Time Station and in Thomas and the Magic Railroad. Mr. Conductor was a small man who lived in the signal box in Shining Time's mural. He was played in the first season by Ringo Starr, in the second and third seasons and in the family specials by George Carlin, and in the movie by Alec Baldwin.

In the show, Mr. Conductor was used to introduce the Thomas the Tank Engine and Friends stories, which would usually be related to some problem that the other characters were facing.