(written from a Production point of view)
Coleen Maloney is the actress who appeared as the Vulcan ministry official in the Star Trek: Enterprise second season episode "The Seventh".
Maloney may best be remembered for her multiple appearances as Buffy on Happy Days. Her earliest TV appearance, however, was a 1981 episode of Bret Maverick, on which Darleen Carr was a regular and Keye Luke a fellow guest star. This was followed with an appearance on the short-lived American Playhouse in 1982, along with Roy Brocksmith, John Fleck, Willie Garson, and R.J. Williams.
She went on to appear with William Windom on Highway to Heaven, Corbin Bernsen, Larry Drake, and Alan Oppenheimer on L.A. Law, Gregory Itzin on Eerie, Indiana, David Gautreaux on ER, Jennifer Savidge on JAG, Susanna Thompson on Once and Again, and Miriam Flynn on Malcolm in the Middle. Her other TV credits include Married... with Children, Knots Landing, and Grace Under Fire, as well as the 1994 TV movie Death of a Cheerleader, co-starring Eugene Roche and Terry O'Quinn.
She also had small roles in the films as Young Doctors in Love (1982, with Michael McKean, Saul Rubinek, Deborah Lacey, Charlie Brill, Ed Begley, Jr., and Hamilton Camp), Bachelor Party (1984, with Ben Slack, John Bloom, James Hudson, Gerard Prendergast, Arlee Reed, and Brett Baxter Clark), Bad Dreams (1988, with Richard Lynch, Harris Yulin, Randy Oglesby, Louis Giambalvo, Steven Anderson, Tim Trella, and Tony Cecere), Eve of Destruction (1991, with Tim Russ and Dakin Matthews), and The Tie That Binds (1995, with Barbara J. Tarbuck and Willie Garson). She was more recently seen in In Pursuit with Dean Stockwell and David Graf and The Ring (2002, with Shannon Cochran and Richard Lineback).