With Michael Karnow, Penn is the co-creator of the TV series Alphas on the Syfy network.
William Penn | Sean Penn | Penn Relays | Penn | Penn & Teller | Irving Penn | Robert Penn Warren | Penn & Teller: Bullshit! | Penn Jillette | Michael Penn | Dan Penn | Arthur Penn | Penn Treaty Park | Zak Starkey | Penn State Nittany Lions football | Penn Central Transportation Co. v. New York City | Jessie Penn-Lewis | Dawn Penn | Zak Kustok | Gary Penn | Richard Penn, Sr. | Penn Valley Park | Penn Valley, California | Penn & Teller Get Killed | Penn State child sex abuse scandal | Penn's Landing | Penn Foster Career School | Penn Central Transportation Company | Penn Avenue | 1600 Penn |