01/11/1941 - Houston, Texas (Estados Unidos)
Apariciones en ST:[]
- DS9: "Homefront" (483)(1996) - Almirante Leyton
- DS9: "Paradise Lost" (484)(1996) - Almirante Leyton
- ENT: "The Forge" (183)(2004) - Administrador V'Las
- ENT: "Awakening" (184)(2004) - Administrador V'Las
- ENT: "Kir'Shara" (185)(2004) - Administrador V'Las
Otros Trabajos Destacados:[]
- Telefilm "The Questor Tapes" (1974) - Questor
- Film "Airport '77" (1977) - Chambers
- Serie "SeaQuest DSV" (1994) - "Royce Shelton" en ep. "Sympathy for the Deep"
- Serie "Babylon 5" (1994/1995) - "General William Heague" en eps. "Points of Departure" y "All Alone in the Night"
- Serie "The Outer Limits" (1996) - "Presidente Charles Halsey" en ep. "Trial by Fire"
- Serie "The Real Adventures of Jonny Quest" (1997) - Roger T. "Race" Bannon (voz)
- Serie "Six Feet Under" (2001/2003) - Bernard Chenowith
- Serie "Stargate SG-1" (2003) - "Presidente Ashwan" en ep. "Memento"
- Serie "Justice League" (2004/2005) - Profesor Emil Hamilton
- Film "Syriana" (2005) - Tommy Barton
- Film "Transformers" (2007) - Ratchet (Voz)
- Film "Transformers: Revenge of the Fallen" (2009) - Ratchet (Voz)
- Film "Transformers: Dark of the Moon" (2011) - Ratchet (Voz)
- Film "Transformers: Age of Extinction" (2014) - Ratchet (Voz)