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
Ed McCready
Football Fan
Kit Woodhouse
Milton's Wife
Sue Casey
Sherry
Dean Stewart
Young Man
Renny Roker
Phone Operator
David M. Frank
Ticket Agent
Robert Dowdell
Tower Radar Operator
Lee Stanley
Radio Room Operator