Firstborn

Firstborn Cast

10 cast members · 10 with popularity data

Full Cast

Sorted by Buzz Score · June 14, 2026

Sarah Jessica Parker

Robert Downey Jr.

Brian Livingston

#22,936 overall

Learner Driver (uncredited)

#25,114 overall

Christopher Collet

Jake Livingston

#29,668 overall

#43,391 overall

#55,673 overall

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