Bill McKibben and Barney Pell have appeared together in 1 film in 2012. Every shared film with year, roles and gross, plus who else each works with most.
| Year | Film | Box office |
|---|---|---|
| 2012 | The Singularity |
Bill McKibben also often with: Van Jones (3), Al Gore (2), Bernie Sanders (2), Jim Hightower (2), Joe Barton (2)
Barney Pell also often with: Alison Gopnik (1), Aubrey de Grey (1), Ben Goertzel (1), Brad Templeton (1), Christine Peterson (1)