Aktor:
-
1. Strefa mroku (1959), serial...Anthony Fremont
-
2. Tammy Tell Me True (1961), film...Neil Bateman (uncredited)
-
3. Sammy, the Way-Out Seal (1962), film
-
4. Dziecko czeka (1963), film...Boy Counting Jean's Pearls
-
5. Droga Brigitte (1965), film...Erasmus 'Ras' Leaf
-
6. Zagubieni w kosmosie (1965), serial...Will Robinson
-
7. Rascal (1969), film...Sterling North
-
8. Szkoła kowbojów (1971), film...Teft
-
9. Motylek (1973), film...Lariot
-
10. Biografie (1987), serial...Self - Narrator
-
11. Kapitan Ameryka (1990), film...Young General Fleming
-
12. Flash (1990), serial...Roger Braintree
-
13. Podwójny klopot (1992), film...Bob
-
14. Babilon 5 (1993), serial...Lennier
-
15. Bunt maszyn (2006), film...Major Heath
-
...Self - Narrator
-
17. Toon in with Me (2021), serial...Self - Narrator
-
18. Babylon 5: The Road Home (2023), film...Lennier (voice)
Głos:
-
1. Babylon 5: The Road Home (2023), film...Lennier
Scenariusz:
-
2. The Twilight Zone (2002), serial...(story by)
Narrator:
-
1. E! True Hollywood Story (1996), serial