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

Neil Fletcher

Secretary of Defense

Ron Scott

George Edgley

Planetarium Director

Bill Thurman

Drunk on Pier

Warren Hammack

Martian Doctor / Fellow #2

Tony Huston

Martian Fellow #3

Patrick Cranshaw

Drunk #2 on Pier

Cal Duggan

Martian Fellow #5

Pat Delaney

Artist Abducted by Martians

Larry Buchanan

Narrator of Planetarium Film (voice)