Firstborn

Firstborn Cast

10 cast members · 10 with popularity data

Full Cast

Sorted by Buzz Score · May 25, 2026

Robert Downey Jr.

Sarah Jessica Parker

Brian Livingston

Learner Driver (uncredited)

#21,063 overall

Christopher Collet

Jake Livingston

#31,255 overall

#32,945 overall

#48,930 overall

#57,139 overall

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