Guest star Robert Culp appeared in the season 3 episode of 'Bonanza' entitled Broken Ballad
Dick Van Dyke guest stars on this program between two long-running TV gigs (his self-titled sitcom and 'Diagnosis Murder'). This is generally considered by fans to be the most popular episode of 'Highway to Heaven.'
John Pleshette appears as a different character in the season 4 episode 'Heaven Nose, Mister Smith.'
Didi Conn appears later this season as a different character in the episode 'Ghost Rider.'
Guest star Barney Martin plays the cab driver in this episode. Susan McCray would later cast him as Michael Landon's father in the pilot episode for 'Us.'
Eddie Quillan has a walk-on cameo in this episode. He plays one of the bums that comes into the diner when Jonathan and Mark are eating with Basinger. Landon's friend Quillan was in many 'Little House' episodes and had a featured role in the two-hour pilot of 'Highway to Heaven.'
This is the third and final episode directed by Dan Gordon. His other two efforts were 'Summit' from season 2; and 'Another Kind of War, Another Kind of Peace,' which aired earlier in season 3.
This was the second and final time Mark's sister Leslie appeared in the series. Her first appearance was in the pilot.
Jack Ging appeared in two episodes of 'Little House.' He was in season 1's 'Survival' and season 9's 'May I Have This Dance?'
GOOF: Jonathan states that he and Mark met four years ago when we're only on season 3.
This is James Troesh's final appearance on the show. He appeared in seven episodes.
James Troesh returns in the recurring role of Scotty.
James Callahan appears in the final season of 'Little House' in the two-part episode 'Look Back to Yesterday.'
This is Lew Ayres' second appearance on the show. He appears again in a season 5 episode, 'Goodbye, Mr. Zelinka.'
Guest Nehemiah Persoff appeared in the season 4 episode of 'Little House' entitled 'The Stranger.'
This is the first of three episodes directed by Dan Gordon.
For anyone whose a fan of Little House on the Prairie will take notice of the picture of a man and a woman on the desk in the room that Mark is staying at at the boarding house, is the same excact picture that Jenny Wilder is holding in her room when she, Laura and Almanzo come back from Royal's funneral in the second part of Time's are Changing.
This is yet another Vietnam-related episode. The ramifications of war seems to be an important theme on Highway to Heaven. When the show was produced, Vietnam had become a popular subject in Hollywood, with the release of films like PLATOON and FULL METAL JACKET.
Tyler McVey was featured in season 1's episode 'Thoroughbreds (Part 2).' He also appeared in several episodes of 'Bonanza' with Michael Landon.
Ronne Troup appears in the season 5 episode 'Goodbye, Mr. Zelinka' as a different character.