Michael Douglas
Alan Arkin
Kathleen Turner
Morgan Freeman
Paul Reiser
Haley Joel Osment
Ann Margaret
Jane Seymour
And guest stars (from previous seasons)
Jay Leno as himself
Patti LaBelle as herself
Jason Kravits as Woody Littlehales
Corbin Bernsen as himself
George Wyner as Rabbi
Elizabeth Sung as Mrs. Liu
Rex Linn as Ed
Danny DeVito as Dr. Wexler, a urologist
Elliott Gould as himself
Eddie Money as himself
Bob Odenkirk as Dr. Shenckman
Lainie Kazan as Norman's grandmother
Allison Janney as herself
Morgan Freeman as himself
Barry Levinson as himself
Christine Ebersole as Estelle
How can you go wrong with such a lineup?
It reminds me of "Mozart in the Jungle".