03/07/1943 - New Lisbon, Wisconsin (Estados Unidos)
Apariciones en ST:[]
- Film "Star Trek VI: The Undiscovered Country" (1991) - Presidente de la Federación
- DS9: "Things Past" (506)(1996) - Thrax
- VOY: "Year of Hell, Part I" (176)(1997) - Annorax
- VOY: "Year of Hell, Part II" (177)(1997) - Annorax
- LD: "Veritas" (108)(2020) - Clar
Otros Trabajos Destacados:[]
- Film "RoboCop" (1987) - Clarence Boddicker
- Film "Rambo III" (1988) - Robert Griggs
- Film "Dead Poets Society" (1989) - Señor Perry
- Film "Fortress" (1993) - Director de Prisión Poe
- Film "Under Siege 2: Dark Territory" (1995) - General Cooper
- Film "Broken Arrow" (1996) - Secretario de Defensa Baird
- Serie "The X Files" (1996) - "Agente Bill Patterson" en ep. "Grotesque"
- Serie "Spawn" (1997) - Robert Sullivan (voz)
- Film "Deep Impact" (1998) - Otis Hefter
- Serie "That '70s Show" (1998/2006) - Reginald "Red" Forman
- Serie "3rd Rock from the Sun" (1999) - "Jacob Solomon" en ep. "Dick Solomon of the Indiana Solomons"
- Serie "Batman Beyond" (2001) - "Agente Bennett" en ep. "Countdown"
- Serie "Zeta Project" (2001) - Agente James Bennett (voz)
- Serie "Justice League" (2001) - "Proseguidor" en ep. doble "In Blackest Night"
- Serie "Battle Force: Andromeda" (2003) - Kronos (voz)
- Serie "Medium" (2006/2009) - Agente del FBI Edward Cooper
- Serie "24" (2009) - Senador Blaine Mayer
- Film "Green Lantern: First Flight" (2009) - Kanjar Ro
- Film "Turbo" (2013) - CEO de la Fórmula INDY
- Serie "Resurrection" (2014/2015) - Henry Langston
- Serie "Agent Carter" (2016) - Vernon Masters
- Serie "Jupiter's Legacy" (2021) - Anciano Miller
- Serie "That '90s Show" (2023) - Reginald "Red" Forman