Guest Star

Alison Moir

Capt. Nathan Bridger

Roy Scheider

Guest Star

Sam Jenkins

Guest Star

J.A. Preston

Guest Star

Robert Foxworth

Captain Oliver Hudson

Michael Ironside

voice of Darwin (voice)

Frank Welker

Guest Star

Richard Herd

Guest Star

Jesse Doran

Lieutenant James Brody

Edward Kerr

Jonathan Ford

Don Franklin

Guest Star

Luca Bercovici

Guest Star

Mimi Kuzyk

Lieutenant Lonnie Henderson

Kathy Evison

Lucas Wolenczak

Jonathan Brandis

Seaman Anthony Piccolo

Michael DeLuise

Wendy Smith

Rosalind Allen

Lieutenant Tim O'Neill

Ted Raimi

Sensor Chief Miguel Ortiz

Marco Sanchez

Lieutenant J.J. Fredericks

Elise Neal

Dagwood

Peter DeLuise

Guest Star

Leif Riddell

Guest Star

Kent McCord

Guest Star

Mark Hamill

Lieutenant Commander Katherine Hitchcock

Stacy Haiduk

Lt. Benjamin Krieg

John D'Aquino

Chief Manilow Crocker

Royce D. Applegate

Dr. Kristin Westphalen

Stephanie Beacham