| Marjorie Monaghan | |
| Birth Date: | 1964 3, df=yes |
| Birth Place: | Orange County, California, U.S. |
| Nationality: | American |
| Occupation: | Actress |
| Years Active: | 1989–2005 |
| Website: | http://www.kelesa.net/marjoriemonaghan |
Marjorie Susan Monaghan (born March 19, 1964) is an American actress best known for her portrayal of Tessa Halloran (aka 'Number One') in the television series Babylon 5.
Monaghan was born March 19, 1964, in Orange County, California. She is of Irish-Celt ancestry and started acting in high school.
Monaghan has performed in a number of science fiction television roles, including starring as "JoJo" in Space Rangers and an episode of . In 1999 she appeared in all eight episodes of Rescue 77 as a character named "Kathleen Ryan".
Monaghan is best known for her appearances in 7 episodes of Babylon 5 as a character named "Number One" (Tessa Holloran).
Monaghan started dating Grant Rosenberg in 2001 whom she later married on February 2, 2011.
| Year | Title | Role |
|---|---|---|
| 1990 | The Bonfire of the Vanities | Evelyn Moore |
| 1991 | Aftermath: A Test of Love | Erica |
| 1991 | Regarding Henry | Rosie Alvarez |
| 1992 | Nemesis | Jared |
| 1994 | Jack Reed: A Search for Justice | Lorelei Bradley |
| 1998 | The Great War of Magellan | n/a |
| 1998 | Jana | |
| 1998 | Sorcerers | Kree |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1990 | H.E.L.P. | Jean Ballantry | 6 episodes |
| 1990 | Quantum Leap | Edie Landsdale | Episode: "One Strobe Over the Line" |
| 1990 | Law & Order | Cathy | Episode: "Prisoner of Love" |
| 1991 | Murder, She Wrote | Elaine Franklin | Episode: "Thicker Than Water" |
| 1991 | L.A. Law | Amanda Hagen | Episode: "Eli's Gumming" |
| 1993–1994 | Space Rangers | JoJo | 6 episodes |
| 1995 | California Dreams | Coach Hardaway | Episode: "Tiffani's Gold" |
| 1995 | Freya | Episode: "Heroes and Demons" | |
| 1996 | Deadly Games | Sharon | Episode: "Dr. Kramer" |
| 1996 | The Pretender | Martha Poole | Episode: "Every Picture Tells a Story" |
| 1997 | The Sentinel | Elaine Walters | Episode: "Poachers" |
| 1997 | JAG | Seaman Alice Tuppany | Episode: "Against All Enemies" |
| 1997–1998 | Babylon 5 | Number One (Tessa Holloran) | 7 episodes |
| 1999 | Rescue 77 | Kathleen Ryan | 8 episodes |
| 1999 | Becker | Amanda | Episode: "Imm-Oral Fixations" |
| 2004 | Andromeda | Louisa Messereau | 2 episodes |