which actress was in the tv movies: The Oddyssey,and Merlin??

Questions

Tag Lines: 1997: Off the record, on the QT, and very hush-hush?

Tag Lines: 1998: On the air, unaware?

Tag Lines: Alfred Hitchcock engulfs you in a whirlpool of terror and tension!?

Tag Lines: This is Benjamin. He's a little worried about his future?

Tag Lines: What actress played the dual roles in "The Parent Trap" movie?