John Voldstad was born in Norway but raised in the United States since early childhood. A film and television actor, Voldstad is best-known for his roles on the long-running television series Newhart (1982) playing "Darryl #2" (one of a bizarre trio of brothers, two of whom never speak) and in the cult film Stripes (1981) as "Stillman's Aide".

Filmography