The Manhattan Project - Cast

John Lithgow

John Mathewson
Actor

Christopher Collet

Paul Stephens
Actor

Cynthia Nixon

Jenny Anderman
Actor

Jill Eikenberry

Elizabeth Stephens
Actor

John Mahoney

Lt. Col. Conroy
Actor

Richard Jenkins

Radiation Controls Officer
Actor

Sully Boyar

Night Guard
Actor

Timothy Carhart

Relief Guard
Actor

Gregg Edelman

Science Teacher
Actor

JD Cullum

Eccles (as John David Cullum)
Actor

Robert Sean Leonard

Max
Actor

Fred Melamed

Howard
Actor

Ned Eisenberg

C-4 Guy (uncredited)
Actor

Richard Council

Government Aide
Actor

Robert Schenkkan

Government Aide
Actor

Steve Blum

Laser Efficiency Kid (as Richard Cardona)
Actor

Adrian Sparks

Scientist
Actor

Geoffrey Nauffts

Craig
Actor

Harlan Cary Poe

Local FBI
Actor

Manny Jacobs

Moore
Actor

Bruce Smolanoff

Flirting Kid
Actor

John Doumanian

Cabbie
Actor

Tom Tarpey

Injection Doctor
Actor

Roger Caine

FBI (as Alec Massey)
Actor

Peter McRobbie

Electronics
Actor

Warren Keith

Computer
Actor

Bruce Jarchow

Interrogator
Actor

Stephen Markle

Interrogator
Actor

Al Cerullo

Helicopter Pilot
Actor

Frank Ferrara Sr.

SWAT
Actor

Dan Butler

SWAT
Actor

Steve Zettler

SWAT
Actor

Debbie Gibson

Background (uncredited)
Actor