Patrick Duffy

Mark Harris

Belinda Montgomery

Dr. Elizabeth Merrill

Alan Fudge

Dr. Crawford

Robert Lussier

Brent

Ted Neeley

Jack Muldoon

Sydney Lassick

Acteur

Gary Owens

Blaise Mullen

Pernell Roberts

Clint Hollister

René Auberjonois

Havergal

Val Avery

Lew

Pat Morita

Moby

Michael Strong

Hugh Trevanian

Sharon Farrell

Charlene Baker

Carole Mallory

Vicki

Ted Cassidy

Canja

Kareem Abdul-Jabbar

Thark

Harvey Jason

Dashki

Noble Willingham

Artemus Washburn

John Shea

Romeo

Michele Carey

Belle

Neville Brand

Stringer

Billy Barty

Moxie

Lisa Eilbacher

Juliet

Timothy Scott

Caine

Anthony James

Summersday

Scott Porter

Mercutio

Victor Buono

Mr. Schubert

Dee Wallace

Hot Dog Stand Owner (as Dee Wallace-Stone)

Jean Marie Hon

Cetacean crew

Anson Downes

Cetacean crew

Victoria Huxtable

Juliette Schubert (as Vicky Huxtable)

J. Víctor López

Cetacean crew (as J. Victor Lopez)

Arlene Martel

Carla(as Tasha Martell)

Jamie Smith-Jackson

Bettina Washburn (as Jamie Smith Jackson)

Ahna Capri

Louisa

Mel Scott

Bert Davis

Lyman Ward

Clavius

Richard Gautier

Duke (as Dick Gautier)

Larry Breeding

Buddy O'Toole

Laurette Spang

Amanda Trevanian

Lisa Blake Richards

Jenny Reynolds (as Lisa Richards)

Carol Miyaoka

Siren

Donna Garrett

Student

Marguerite DeLain

First Receptionist