THE TEAM INVESTIGATES A DANGEROUS CULT AFTER MEMBERS REFUSE MEDICAL ATTENTION FOLLOWING A MASS POISONING AT THEIR COMPOUND, ON "NUMB3RS," FRIDAY, MAY 2

Academy Award-Nominated Actor Michael O'Keefe ("The Great Santini") Guest Stars as Reverend Joseph Ezra, a Cult Leader

Bill Nye "The Science Guy" Guest Stars as Bill Waldie, the Head of Cal Sci's Engineering Department

"Atomic No. 33" - A mass poisoning at a cult compound leads the FBI team into a maze of old grudges and a complex murder plot, on NUMB3RS, Friday, May 2 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

SERIES REGULARS:

Don Eppes: Rob Morrow
Charlie Eppes: David Krumholtz
Alan Eppes: Judd Hirsch
David Sinclair: Alimi Ballard
Megan Reeves: Diane Farr
Amita Ramanujan: Navi Rawat
Colby Granger: Dylan Bruno

RECURRING CAST:

AUSA Robin Brooks: Michelle Nolden

GUEST CAST:

Reverend Joseph Ezra: Michael O'Keefe
Craig Ezra: Steven R. McQueen
Susan Doran: Jill Eikenberry
Audrey Doran: Gabrielle Christian
LAPD Rookie: Antonio D. Charity
M.E. Ridenhour: Leslie Silva
Lead FBI Tech: Cassandra Freeman
Older man: Walter Berry
Daughter: Kathryn Weil
Frail Woman: Lynn Wanlass
Peter: Ron Collie

WRITTEN BY: Sean Crouch

DIRECTED BY: Leslie Libman

RATING: TVPG-DLV