Acting credits 10 titles
Little House on the Prairie
as Nels Oleson
Series
1974–1983
8.0
Breezy
as Doctor
Film
1973
6.8
ล้างอิทธิพลเถื่อน
as Asa Goodwin
Film
1973
7.3
Ulzana's Raid
as Ginsford
Film
1972
6.9
The Andromeda Strain
as Air Force Major
Film
1971
7.1
ลอว์แมน
as Dusaine
Film
1971
6.5
The Stalking Moon
as Doctor
Film
1968
5.9
The Thomas Crown Affair
as Booth Guard
Film
1968
6.8
The Satan Bug
as Eric Cavanaugh
Film
1965
6.1
Voyage to the Bottom of the Sea
as Doctor
Series
1964–1968
7.8
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มีชื่อเสียงจาก
8.0
Series
Little House on the Prairie
Nels Oleson
1974–1983
7.8
Series
Voyage to the Bottom of the Sea
Doctor
1964–1968
5.9
Film
The Stalking Moon
Doctor
1968
7.3
Film
ล้างอิทธิพลเถื่อน
Asa Goodwin
1973
6.1
Film
The Satan Bug
Eric Cavanaugh
1965
6.9
Film
Ulzana's Raid
Ginsford
1972
7.1
Film
The Andromeda Strain
Air Force Major
1971
6.5
Film
ลอว์แมน
Dusaine
1971
6.8
Film
Breezy
Doctor
1973
6.8
Film
The Thomas Crown Affair
Booth Guard
1968