Patrick Duffy

Mark Harris

Belinda Montgomery

Dr. Elizabeth Merrill

Kenneth Tigar

Dr. Miller Simon

Alan Fudge

C.W. Crawford

Darleen Carr

Dr. Mary Smith

Dennis Redfield

Dick Stoneman

Pamela Peters Solow

Jane

Fred Beir

Captain Bracy

Paul Mantee

FBI Agent Fuller

Michael J. London

Cetacean Crewman

Arthur Batanides

Police Detective

Rick Goldman

Security Guard at Dock

Bob Minor

Minion

Ric Drasin

Minion

Frank Martone

Minion

James Faracci

Minion

Jim Morris

Minion

Ernie Hudson

Minion

Tony Pearson

Minion

Julius LeFlore

Minion

Jim Tarleton

Minion

Luther Murdoch

Writer

Jerry Sohl

Writer

Charles S. Dubin

Director

Mayo Simon

Creator

Herbert F. Solow

Creator

Bobbie Getzler

Associate Producer

Herbert F. Solow

Producer

Fred Karlin

Music

Héctor R. Figueroa

Director of Photography

John Farrell

Editor

Gary Griffin

Editor

Michael Renaud

Editor

Gary Shaffer

Casting Director

Tracy Bousman

Art Direction

Solomon Brewer

Set Decoration

Fred B. Phillips

Makeup Artist

Hal Galli

Assistant Director

George J. Light

Assistant Director

Steve Siporin

Second Assistant Director

Sal Sommatino

Property Master

Bob McLing

Property Master