Sienna Spiro
Appearances: 2Shows: 2Latest: Jan 16, 2026
Latest appearance: Jan 16, 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 Tonight Show Starring Jimmy Fallon (1)
Clips will appear here after they're posted.
The Late Show With Stephen Colbert (1)
Clips will appear here after they're posted.