Leif Erickson
Marty Treleavan
Doug McClure
George Spencer
Roddy McDowall
Dr. Ralph Baird
Lois Nettleton
Janet Turner
Leonard Stone
Harry Burdick
Christopher Dark
Mr. McCann
Loretta Leversee
Mrs. McCann
Kenneth Tobey
Capt. Wilson
Kit Woodhouse
Milton's Wife
Renny Roker
Phone Operator
David M. Frank
Ticket Agent
Robert Dowdell
Tower Radar Operator
Lee Stanley
Radio Room Operator