Currently available on 2 streaming services.

Pi - watch online: stream, buy or rent

You can buy "Pi" on Microsoft Store, Amazon Video as download or rent it on Microsoft Store, Amazon Video online.

Cast

Sean Gullette
Maximillian Cohen
Mark Margolis
Sol Robeson
Ben Shenkman
Lenny Meyer
Pamela Hart
Marcy Dawson
Stephen Pearlman
Rabbi Cohen
Samia Shoaib
Devi
Ajay Naidu
Farroukh
Kristyn Mae-Anne Lao
Jenna
Espher Lao Nieves
Jenna's Mom
Joanne Gordon
Mrs. Ovadia
Lauren Fox
Jenny Robeson
Stanley B. Herman
Moustacheless Man
Clint Mansell
Photographer
Tom Tumminello
Ephraim
Henri Falconi
Kaballah Scholar
Isaac Fried
Kaballah Scholar
Ari Handel
Kaballah Scholar
Oren Sarch
Kaballah Scholar
Lloyd J. Schwartz
Kaballah Scholar
Richard Lifschutz
Kaballah Scholar
David Strahlberg
Kaballah Scholar
Peter Cheyenne
Brad
David Tawil
Jake
J.C. Islander
Man Presenting Suitcase
Abraham Aronofsky
Man Delivering Suitcase
Ray Seiden
Transit Cop
Scott Franklin
Transit Cop (voice)
Chris Johnson
Limo Driver
Sal Monte
King Neptune