Tommy Kirk

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

Yvonne Craig

Dr. Bolen

Byron Lord

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

Roger Ready

Stimmons

Barnett Shaw

Man at Military Conference

Neil Fletcher

Secretary of Defense

Chet Davis

Network News Man

Ron Scott

George Edgley

Planetarium Director

Dick Simpson

Don Campbell

Bob Hazlett

James, Gas Station Attendant

Ann Palmer

U.S.D.S. Tech

Gordon Bulow

Bill Thurman

Drunk on Pier

Claude Earls

Sally Casey

Bob Lorenz

Sylvia Rundell

David England

Planetarium Manager

Terry Davis

Warren Hammack

Martian Doctor / Fellow #2

Tony Huston

Martian Fellow #3

Larry Tanner

Martian Fellow #4

Patrick Cranshaw

Drunk #2 on Pier

Cal Duggan

Martian Fellow #5

Pat Delaney

Artist Abducted by Martians

Sherry Roberts

Brenda Knowlan, Abductee

Donna Lindberg

Stewardess Abducted by Martians

Bubbles Cash

Stripper Abducted by Martians

Larry Buchanan

Narrator of Planetarium Film (voice)