Dop - Martian Fellow #1 / Mr. Fast - Seattle Sun Reporter

Tommy Kirk

Dr. Marjorie Bolen

Yvonne Craig

Col. Bob Page, U.S.D.S.

Byron Lord

Martian

Anthony Houston

Stimmons

Roger Ready

Stewardess Abducted by Martians

Donna Lindberg

Man at Military Conference

Barnett Shaw

Martian Fellow #4

Larry Tanner

Stripper Abducted by Martians

Bubbles Cash

Martian Doctor / Fellow #2

Warren Hammack

Secretary of Defense

Neil Fletcher

Martian Fellow #5

Cal Duggan

Network News Man

Chet Davis

Brenda Knowlan, Abductee

Sherry Roberts

Ron Scott

Drunk on Pier

Bill Thurman

Artist Abducted by Martians

Pat Delaney

Planetarium Director

George Edgley

Dick Simpson

Don Campbell

James, Gas Station Attendant

Bob Hazlett

U.S.D.S. Tech

Ann Palmer

Gordon Bulow

Claude Earls

Sally Casey

Bob Lorenz

Sylvia Rundell

Gordon Buloe

Planetarium Manager

David England

Terry Davis

Martian Fellow #3

Tony Huston

Planetarium Manager

David Englund

Drunk #2 on Pier

Patrick Cranshaw

Narrator of Planetarium Film (voice)

Larry Buchanan