Movies:
* The Rocketeer (1991) - as Cliff Secord (voice)
* The Phantom (1996) - as Lieutenant "Red" Lyons
* The Day the Earth Stood Still (2008) - as General Radford (final film role)
Television:
* Babylon 5 (1993-1998) - as Captain John Sheridan (lead role)
* Star Trek: Deep Space Nine (1993-1999) - as Captain John Sheridan (guest star)
* The Adventures of Brisco County, Jr. (1993-1994) - as "The Sheriff" (recurring role)
* The X-Files (1993-2002) - as Dr. William Patterson (guest star)
* Diagnosis: Murder (1993-2001) - as various roles (guest star)
* Walker, Texas Ranger (1993-2001) - as various roles (guest star)
* The Outer Limits (1995-2002) - as various roles (guest star)
* The Pretender (1996-2000) - as various roles (guest star)
* Early Edition (1996-2000) - as various roles (guest star)
* JAG (1995-2005) - as various roles (guest star)
* The West Wing (1999-2006) - as various roles (guest star)
Richard Biggs also had roles in several television series, including *The Commish*, *ER*, *The Practice*, *Law & Order: Special Victims Unit*, and *CSI: Miami*.
He was a versatile actor who brought depth and gravitas to his roles, and he is fondly remembered for his work in *Babylon 5* in particular. He sadly passed away in 2004.