Pelakon & Kru
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Gwyneth PaltrowCatherine - Anthony HopkinsRobert
- Jake GyllenhaalHal
- Hope DavisClaire
- Gary HoustonProfessor Barrow
- Roshan SethProfessor Bhandari
- Anne WittmanJoanne
- Leland BurnettEddy
- Daniel HatkoffStudent
- John KeefeAdmirer
- Haroula RoseStudent
- Colin StintonPhysicist at party
- John MaddenPengarah
- Alison OwenPenerbit
- John HartPenerbit
- Jeff SharpPenerbit
- Robert KesselPenerbit
- Bob WeinsteinPenerbit
- Julie GoldsteinPenerbit
- James D. SternPenerbit
- Harvey WeinsteinPenerbit