Cast of Firstborn

Teri Garr plays Wendy, a character central to the family dynamic in the movie.

Peter Weller portrays Sam, a significant character in the storyline of Firstborn.

Christopher Collet takes on the role of Jake Livingston, bringing his character to life in the film.

Corey Haim plays Brian Livingston, another key character in the movie's family-centered narrative.

Sarah Jessica Parker portrays Lisa in Firstborn, adding depth to the character ensemble.

Robert Downey Jr. brings the character Lee to life, contributing to the interpersonal dynamics portrayed in the film.

Chris Gartin appears as Mr. Rader, a character with a role in the unfolding storyline of Firstborn.

James Harper also takes on the role of Mr. Rader, contributing to the narrative of the film.

Larry Atlas plays the character of the Stranger in Firstborn, adding intrigue to the plot.

Ned Eisenberg portrays the character of Learner Driver, albeit uncredited, in the movie.