Firstborn

Firstborn Cast

10 cast members · 10 with popularity data

Full Cast

Sorted by Buzz Score · July 4, 2026

Robert Downey Jr.

Sarah Jessica Parker

Brian Livingston

Learner Driver (uncredited)

#21,936 overall

Christopher Collet

Jake Livingston

#22,917 overall

#37,948 overall

#53,658 overall

#58,037 overall

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