Sienna Spiro
Appearances: 2Shows: 2Latest: Jul 13, 2026
Latest appearance: Jul 13, 2026 on The Tonight Show Starring Jimmy Fallon →
Sienna Spiro is an actress and writer recognized for her work in independent film and television. She is known for her performances in character-driven dramas and her contributions to original screenplays.
All appearances
The Late Show With Stephen Colbert (1)
Clips will appear here after they're posted.