Susan Howard
Jeri Lynn Mooney , better known as Susan Howard, is the American actress who played Mara, the first female Klingon to appear in Star Trek, and one of only two (and the only one with a speaking part) ever seen in the  third season episode . She filmed her scenes between Friday  and Thursday  at Desilu Stage 9.

Howard was born in Marshall, Texas, and graduated from Marshall High School in the early 1960s. She attended the University of Texas for two years, after which she moved to California, becoming a member of the Los Angeles Repertory Company. She began acting on television programs in 1966.

Outside of Star Trek, Howard is best known for playing Donna Culver Krebbs on the primetime soap opera  from 1979 through 1987. This role actually began with a single guest appearance in 1979, but the producers liked her performance so much that they asked her to return, and she played the character for an additional eight years. Throughout her run on this series, she co-starred with other Trek actors, including Barbara Babcock, Joanna Cassidy, Glenn Corbett, Barry Jenner, Leigh J. McCloskey, Derek McGrath, Bert Remsen, William Smithers, Paul Sorensen, Ray Wise, and Morgan Woodward. Howard also tried her hand at writing for the series, ultimately becoming a member of the Writers Guild of America, a position which she still holds.

Prior to Dallas, Howard was a regular on the legal drama series Petrocelli (1974-76), playing lawyer Tony Petrocelli's wife (a role played by Diana Muldaur in the 1970 movie The Lawyer, from which the Petrocelli series was spun off). David Huddleston was also a regular on this series; the show's pilot movie, entitled Night Games, co-starred Henry Darrow. Other guest appearances on the show include William Shatner, John Colicos, Susan Oliver and Glenn Corbett among others. Howard's performance on Petrocelli garnered her nominations from both the s and the s. Despite this, the series was canceled in 1976.

In addition, Howard has made guest appearances on such TV series as I Dream of Jeannie (working with Lou Antonio and Ted Cassidy), The Flying Nun (including an episode with Michael Pataki), Bonanza (with John Beck, Dean Stockwell, and Harry Townes), and Mission: Impossible (co-starring James B. Sikking and Paul Sorensen and directed by Reza Badiyi). Shortly after working with Michael Ansara on Star Trek, she appeared with him in an episode of Here Come the Brides, a series which starred TOS guest stars Robert Brown, Mark Lenard and David Soul.

Howard reunited with her TOS co-star William Shatner in the unsold TV pilot, Indict and Convict. Alfred Ryder and Michael Pataki appeared in this project, as well. Howard has also starred in a number of made-for-TV movies, including The Silent Gun (1969, with John Beck, Walker Edmiston, and Michael Forest), Columbo: The Most Crucial Game (1972, with James Gregory, Don Keefer and Dean Stockwell, written by John T. Dugan), and Superdome (1978, with Jane Wyatt and Michael Pataki). 

She has only three feature films to her credit. The first was the 1977 drama Moonshine County Express, in which she starred with fellow TOS guest stars Morgan Woodward and Jeff Corey. That same year, she starred in the biker movie Sidewinder 1, which also featured Byron Morrow. Most recently, she co-starred with Stanley Kamel in the 1993 independent drama Come the Morning.

Other Trek connections 
Additional television projects on which Howard has worked with other Star Trek alumni are as follows:
Tarzan episode "Trina" (1968) with Nehemiah Persoff
The Virginian episode "Halfway Back from Hell" (1969) with Parley Baer and William Windom
Land of the Giants episode "Collector's Item" (1969) with Don Marshall
Mannix episode "Who Killed Me?" (1969) with Hal Baylor and Yvonne Craig
Mannix episode "Round Trip to Nowhere" (1971) with Tim O'Connor
Love, American Style segment "Love and the Baker's Half Dozen" (1971) with Susan Oliver
Love, American Style segment "Love and the Sweet Sixteen" (1971) with Henry Gibson, Barbara Luna, and Lee Meriwether
Savage (1973 pilot) with Bill Quinn
Marcus Welby, M.D. episode "The Tall Tree" (1973) with Joan Pringle
The Rockford Files episode "Feeding Frenzy" (1976) with Roger Aaron Brown and directed by Russ Mayberry
Barnaby Jones episode "Death Leap" (1973) with William Bramley, Brooke Bundy, Jonathan Lippe, Lee Meriwether, Tim O'Connor, Barry Russo, and Jerry Summers
Most Wanted episode "Ms. Murder" (1977) with William Smithers
Killer on Board (1977 TV movie) with William Daniels and Thalmus Rasulala
The Fantastic Journey episode "Vortez" (1977) with Jason Evers and Ike Eisenmann
Barnaby Jones episode "Yesterday's Terror" (1977) with Lee Meriwether and Granville Van Dusen
The Busters (1978 pilot) with Lance LeGault and directed by Vincent McEveety
Vega$ episode "Classic Connection" (1979) with Roy Jenson

External links 
 
 

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Performers
TOS performers