Leif Erickson
Marty Treleavan
Doug McClure
George Spencer
Roddy McDowall
Dr. Ralph Baird
Lois Nettleton
Janet Turner
Keenan Wynn
Milton
Jack Ging
Controller
Sam Melville
Stewart
Leonard Stone
Harry Burdick
Sidney Clute
Mr. Swenson
Christopher Dark
Mr. McCann
Loretta Leversee
Mrs. McCann
Patricia Mattick
Ellen
Victor Izay
Second Man
Kenneth Tobey
Capt. Wilson
