Jennifer Dale. Jennifer Dale was 27 in Of Unknown Origin as 'Lorrie Wells'.Lawrence Dane. Lawrence Dane was 46 in Of Unknown Origin as 'Eliot Riverton'.Kenneth Welsh. Kenneth Welsh was 41 in Of Unknown Origin as 'James Hall'.Louis Del Grande. Louis Del Grande was >> in Of Unknown Origin as 'Clete'.Keith Knight. Keith Knight was 27 in Of Unknown Origin as 'Hardware Salesman'.Maury Chaykin. Maury Chaykin was 34 in Of Unknown Origin as 'Dan Errol'.Leif Anderson. Leif Anderson was 9 in Of Unknown Origin as 'Peter Hughes'.Gayle Garfinkle. Gayle Garfinkle was >> in Of Unknown Origin as 'Janis Wycoff'.Earl Pennington. Earl Pennington was >> in Of Unknown Origin as 'Mr. Thompson'.Jacklin Webb. Jacklin Webb was >> in Of Unknown Origin as 'Newspaper Vendor'.Bronwen Mantel. Bronwen Mantel was 35 in Of Unknown Origin as 'Florence Riverton'.Aimée Castle. Aimée Castle was 4 in Of Unknown Origin as 'Birthday Party Child'.Tara O'Donnell. Tara O'Donnell was >> in Of Unknown Origin as 'Birthday Party Child'.George P. Cosmatos. George P. Cosmatos was 42 in Of Unknown Origin as 'Director'René Verzier. René Verzier was >> in Of Unknown Origin as 'Director of Photography'Brian Taggert. Brian Taggert was 45 in Of Unknown Origin as 'Screenplay'Pierre David. Pierre David was 39 in Of Unknown Origin as 'Executive Producer'Kenneth Wannberg. Kenneth Wannberg was 53 in Of Unknown Origin as 'Original Music Composer'David Bailey. David Bailey was >> in Of Unknown Origin as 'Production Assistant'Anne Pritchard. Anne Pritchard was >> in Of Unknown Origin as 'Production Design'Chauncey G. Parker III. Chauncey G. Parker III was >> in Of Unknown Origin as 'Novel'