Sienna Spiro
Appearances: 4Shows: 2Latest: Jul 31, 2026
Latest appearance: Jul 31, 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 (3)
Showing clips from original airing.
Clips will appear here after they're posted.
The Late Show With Stephen Colbert (1)
Clips will appear here after they're posted.