Name	Known for
William Devane Gregory Sumner Gregory Sumner See fewer	Knots Landing (1979)
Kevin Dobson M. 'Mack' Patrick MacKenzie M. 'Mack' Patrick MacKenzie See fewer	Knots Landing (1979)
Julie Harris Lilimae Clements Lilimae Clements See fewer	The Haunting (1963)
Michele Lee Karen MacKenzie Karen MacKenzie See fewer	Knots Landing (1979)
Claudia Lonow Diana Fairgate Diana Fairgate See fewer	How to Live with Your Parents (for the Rest of Your Life) (2013)
Constance McCashin Laura Avery Laura Avery See fewer	Knots Landing (1979)
Donna Mills Abby Ewing Abby Ewing See fewer	Knots Landing (1979)
Ted Shackelford Gary Ewing Gary Ewing See fewer	Knots Landing (1979)
Doug Sheehan Ben Gibson (as Douglas Sheehan) Ben Gibson (as Douglas Sheehan) See fewer	Knots Landing (1979)
Joan Van Ark Valene Ewing Valene Ewing See fewer	Knots Landing (1979)
Michael Sabatino Chip Roberts Chip Roberts See fewer	Days of Our Lives (1965)
Tonya Crowe Olivia Cunningham Olivia Cunningham See fewer	Knots Landing (1979)
Lelia Goldoni Dr. Beauvais Dr. Beauvais See fewer	Shadows (1958)
Ronald Hunter Max Eisner Max Eisner See fewer	National Lampoon's Van Wilder (2002)
Steve Kahan Morrison Morrison See fewer	Lethal Weapon 2 (1989)
Christopher Kriesa Aide Aide See fewer	Blonde (2022)
Clayton Landey James Westmont James Westmont See fewer	Sully (2016)
Marii Mak Mary Mary See fewer	Scarface (1983)
Jeanine Michaels Nurse #1 Nurse #1 See fewer	Dallas (1978)
Kate Skinner Julia Julia See fewer	The Rage: Carrie 2 (1999)
Peggy Stewart Nurse #2 (as Peg Stewart) Nurse #2 (as Peg Stewart) See fewer	The Runaways (2010)
Arthur Taxier Dr. Lang Dr. Lang See fewer	Donnie Darko (2001)
Dan Woren Intern Intern See fewer	Star Trek: First Contact (1996)