Cast of Coupe de Ville

Patrick Dempsey plays Robert 'Bobby' Libner, one of the three brothers who embark on a road trip to deliver a Cadillac. 'Bobby' is portrayed as the sensible and responsible brother.

Arye Gross portrays Buddy Libner, one of the Libner brothers who joins the road trip. Buddy is presented as the quirky and free-spirited sibling.

Daniel Stern plays Marvin Libner, the eldest brother who is the most serious and practical of the trio. He is determined to make the road trip successful.

Annabeth Gish portrays Tammy, a character who becomes involved with the brothers during their journey. She adds a touch of romance and intrigue to the story.

Rita Taggart plays Betty Libner, the mother of the three brothers. Her presence in the story adds a layer of family dynamics and history to the narrative.

Joseph Bologna portrays Uncle Phil, a character who likely provides comedic relief or sage advice to the brothers during their road trip adventures.

Alan Arkin plays Fred Libner, likely adding his unique charm and wit to the character. Fred is most likely a key figure in the brothers' past or present.

James Gammon portrays Dr. Sturgeon, also known as The Cadillac Surgeon, a character who presumably has expertise in fixing classic cars. He may assist the brothers on their journey.

John Considine plays Professor Kloppner from Eastbrook Academy. His role may involve interactions with the brothers during the road trip, potentially adding an academic or educational element to the story.