Phase IV

David Healy as Radio Announcer (voice) (uncredited) Nigel Davenport as Dr. Ernest D. Hubbs Michael Murphy as James R. Lesko Lynne Frederick as Kendra Eldridge Alan Gifford as Mr. Eldridge Robert Henderson as Clete Helen Horton as Mildred Eldridge

Saul Bass Director, Title Designer Stomu Yamashta Additional Music Dick Bush Director of Photography