Film

No.	Year	Title	Role	Vote Average
1	1964	What a Way to Go!	Geraldine Crawley (age 4) (uncredited)	71
2	1965	We Learn About The Telephone	Susie	60
3	1965	Brainstorm	Little Girl in Lobby (uncredited)	62
4	1967	Valley of Mystery	Penny	50
5	1968	The One and Only, Genuine, Original Family Band	Laura Bower	61
6	1969	It Was a Short Summer, Charlie Brown	Lucy van Pelt	69
7	1969	A Boy Named Charlie Brown	Lucy Van Pelt (voice)	69
8	1969	Daughter of the Mind	Mary Constable	64
9	1970	Smoke	Susie	0
10	1970	The Christine Jorgensen Story	Dolly as a Child	33
11	1971	The Beguiled	Amy	70
12	1971	Play It Again, Charlie Brown	Lucy van Pelt (voice)	64
13	1971	The Mephisto Waltz	Abby Clarkson	60
14	1971	What's the Matter with Helen?	Kiddie M.C.	58
15	1971	The Cat in the Hat	Sally (voice)	67
16	1971	The Forgotten Man	Sharon Hardy	65
17	1971	Happy Birthday, Wanda June	Wanda June	55
18	1972	Lassie: Joyous Sound	Lucy Baker	60
19	1972	The Delphi Bureau	Alice, the Boarder	0
20	1972	Oliver and the Artful Dodger	Louisa / Lilibit (voice)	66
21	1973	Charlotte's Web	Fern Arable (voice)	68
22	1974	A Tree Grows in Brooklyn	Francie Nolan	0
23	1975	Miles To Go Before I Sleep	Lisa	60
24	1978	The Toolbox Murders	Laurie Ballard	55
25	1982	Heidi's Song	Klara (voice)	60

Television

No.	Year	Title	Role	Vote Average
1	1954	Lassie		61
2	1955	Gunsmoke	Annie Jarvis	66
3	1960	My Three Sons		65
4	1960	The Andy Griffith Show	Corlis	76
5	1963	Breaking Point		73
6	1964	Daniel Boone	Little Girl	69
7	1965	Branded		64
8	1965	The John Forsythe Show		50
9	1965	The Legend of Jesse James	Rosey Bryant	48
10	1965	Green Acres		73
11	1966	Summer Fun		0
12	1966	Star Trek	Mary	80
13	1966	Family Affair		66
14	1966	The Monkees		65
15	1967	The Second Hundred Years		60
16	1967	Custer		60
17	1967	The High Chaparral	Jennie Simmons	65
18	1967	The High Chaparral	Charity	65
19	1967	Mannix		67
20	1968	Blondie		0
21	1969	The Brady Bunch		67
22	1970	The Odd Couple	Cindy	78
23	1970	The Odd Couple	Edna	78
24	1971	The Psychiatrist		60
25	1971	Curiosity Shop		94
26	1972	Sealab 2020		68
27	1972	The Roman Holidays	Precocia Holiday (voice)	65
28	1972	The Paul Lynde Show		50
29	1973	Sigmund and the Sea Monsters	Peggy	57
30	1974	These Are the Days		30
31	1975	Baretta		63
32	1977	Space Academy		46
33	1977	CHiPs	Susie	68
34	1978	Vega$		70
35	1979	240-Robert	Nikki	55
36	1999	Detention	Shelley Kelley (voice)	50
37	2016	Creature Features	Self	100