Film

No.	Year	Title	Role	Vote Average
1	1954	The Country Girl	Johnnie Elgin (uncredited)	69
2	1956	Back from Eternity	Tommy Malone	66
3	1957	All Mine to Give	Robbie Eunson - age 6	62
4	1957	Escapade in Japan	Tony Saunders	55
5	1959	Disneyland '59	Self	65
6	1963	Lassie's Great Adventure	Timmy Martin	45
7	1966	This Property Is Condemned	Tom	63
8	1969	The Computer Wore Tennis Shoes	Bradley	60
9	1970	Secret of the Sacred Forest		0
10	1992	Star Time	Paramedic #2	55
11	1994	The Story of Lassie	Self	0
12	2006	Playing Patti	Self	0
13	2013	Susie's Hope		72
14	2022	Up Late with Bob Wilkins	Self	100
15	2023	Near Myth: The Oskar Knight Story	Self	0
16	2024	Colonials	Spark (voice)	60

Television

No.	Year	Title	Role	Vote Average
1	1954	Lassie	Timmy Martin	61
2	1959	Startime		60
3	1961	Mister Ed		68
4	1989	The New Lassie	Steve McCullough	70
5	2016	Creature Features	Self	100
6	2022	The Kids	Self	0