Rick Moranis

Wayne Szalinski

Marcia Strassman

Diane Szalinski

Robert Oliveri

Nick Szalinski

Daniel Shalikar

Adam Szalinski

Joshua Shalikar

Adam Szalinski

Lloyd Bridges

Clifford Sterling

John Shea

Hendrickson

Keri Russell

Mandy

Ron Canada

Marshall Brooks

Amy O'Neill

Amy Szalinski

Michael Milhoan

Capt. Ed Myerson

Gregory Sierra

Terence Wheeler

Leslie Neale

Constance Winters

Julia Sweeney

Nosey Neighbor

Linda Carlson

Nosey Neighbor

Lisa Mende

Lab Technician

John Paragon

Lab Technician

Kenneth Tobey

Smitty

Bill Moseley

Federal Marshall

Edward S. Feldman

Las Vegas Couple (as Ed Feldman)

Suzanne Kent

Las Vegas Couple

Alex Daniels

Uncle Yanosh

Robert Jaffe

Motorcycle Officer

Ron Lawrence

Motorcycle Officer

John Hora

Helicopter Observer

Mary Ellen Moore

Police Woman

Randy Swallow

Vegas Reporter

Pamela Cederquist

Vegas Reporter

James M. Lauten

Vegas Reporter

Shannon M. Steger

Nevada Militia

Minori Goto

Japanese Tourist

Mamoru Kanal

Japanese Tourist

Gregory McCurdy

Police Officer

David Scates

Rock Fan in Crowd

Marion Palmer

Hard Rock Reporter

Kathy Pastor

Hard Rock Hostess

Bill Loska

Highway Patrol Officer

Richard Simmons

Self - (Archive Footage)

Sammy

Quark the Dog (uncredited)