Mike Fleming

EXCLUSIVE: Sienna Miller has signed with The Schiff Company for management. Miller most recently starred in the HBO/BBC co-production The Girl, which airs later this year. Miller is among several new clients who’ve joined David Schiff’s company this year, with others that include Jeremy Piven, Jeremy Sisto, Janet McTeer, Jonathan Schaech, Ryan Eggold, David Stenn, Martin Weisz, and Brittany Snow.