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
