Dead End

Roy Scheider

Captain Nathan Bridger

Jonathan Brandis

Lucas Wolenczak

Don Franklin

Commander Jonathan Ford

Rosalind Allen

Dr. Wendy Smith

Edward Kerr

Lieutenant James Brody

Michael DeLuise

Seaman Anthony Piccolo

Ted Raimi

Lieutenant Tim O'Neill

Kathy Evison

Lieutenant Lonnie Henderson

Marco Sanchez

Sensor Chief Miguel Ortiz

Peter DeLuise

Dagwood

Frank Welker

Darwin (voice)

Brittany Snow

Hyperion Child

Gregory Paul Martin

Marcus Rawlings

Karen Fraction

Baker

Ian Sullivan

Dr. Wilhelm Brown

Elizabeth Fendrick

Mother of Young Girl

Mikki Scanlon

Sheila

David Silverthorn

Dagwood's Attorney

Leroy Mitchell Jr.

The Judge

Steve Raulerson

Desk Clerk

Pat Carlin

Nun

Tim Goodwin

Waiter

Christina Ritzi

Woman in Bar

Paul Hungerford

Ferris Wheel Operator

Nancy Barber

Anchorperson

Russ Wheeler

Jury Foreman