Doug Davidson has been playing Paul Williams since May 1978.
Vail Bloom has been playing Heather Stevens since July 13, 2007.
Conci Nelson played Heather in 1994. Conci Nelson is headwriter Kay Alden's daughter.
Baby Heather was played by Dana and Lauren Schankman in 1980, then by Elizabeth and Claire Schoene from 1980 to 1982.
Carolyn Conwell was a wonderful Mary from 1980 to 2004.
Brett Hadley played Carl from 1980 to 1990, then from 1998 to 1999.
Robert Sampson played Carl in 1982.
David Winn played Steve in 1980.
Lilibet Stern played Patty from 1980 to 1983.
Andrea Evans played Patty from 1983 to 1984.
Stacy Haiduk has been playing Patty/Mary Jane since March 2009.
Corbin Bernsen played Todd in 2003, in 2004 and in 2009. Corbin Bernsen is Jeanne Cooper's son.
DeAnna Robins played Cindy Lake from 1982 to 1983.
Cindy Eilbacher played April Stevens from 1979 to 1982, then from 1993 to 1994.
Rebecca Staab played April Stevens in January 2008.
Lauralee Bell played Christine Blair from 1983 to 2006.
Lauralee Bell is the daughter of the creator of The Young and the Restless.
Tracey Bregman has been playing Lauren Fenmore since 1984. She left the show in 1995, she came back for a short visit in 2000, then for good in 2001.
Erica Hope was the first Nikki in 1978.
Melody Thomas Scott has been playing Nikki since 1979.
Nina Arvesen played Cassandra.
Eva Longoria played Isabella Brana from 2001 to 2003.
Tammy Lauren played Maggie Sullivan from 2006 to 2008.
Chris Engen played Adam Wilson from February 2008 to June 2009.
Leslie Bevis played Ruth Perkins from 1998 to 1999.
Christopher Kriesa played Charlie Ockwell from 1998 to 1999.
Laura Bryan Birn played Lynne Bassett from 1988 to 2004.