Michael Berryman

Pluto

Kevin Spirtas

Roy

John Bloom

The Reaper

Janus Blythe

Rachel / Ruby

Tamara Stafford

Cass

Colleen Riley

Jane

Willard E. Pugh

Foster

Penny Johnson Jerald

Sue

Robert Houston

Bobby

Peter Frechette

Harry

John Laughlin

Hulk

David Nichols

The Psychiatrist

Edith Fellows

Mrs. Wilson

Arden Roger Meyer

The Man with Towel

Lance Gordon

Mars (archive footage)

Susan Lanier

Brenda (archive footage)

Brenda Marinoff

Katy (archive footage)

Martin Speer

Doug (archive footage)

Virginia Vincent

Ethel (archive footage)

James Whitworth

Jupiter (archive footage)