Jeri Lynn Mooney was born on January 28, 1944 in Marshall, Texas to parents Cassell C. and Melba Ruth "Peg" Mooney. She had an older brother, James. Her family is of Irish ancestry from Cork. Mooney was recognized for her acting talent while growing up in Marshall. She won a University Interscholastic League award for Best Actress while in high school. Upon graduating from Marshall High School in 1960, she attended the University of Texas for two years, where she studied drama and was a member of the Gamma Phi Beta sorority, before leaving for Los Angeles to become an acting student at the Los Angeles Repertory Company. She later took the stage name Susan Howard, as her father had nicknamed her 'Susie' and Howard was a family name.
Television
Howard had a number of notable guest appearances on major television shows during the 1960s and early 1970s: The Flying Nun, I Dream of Jeannie, ', Bonanza, Mannix, ', and Columbo. She played the first female Klingon on the original Star Trek series and the only one to ever speak. In 1973, she appeared as Evan Sands on Lorne Greene's ABCcrime dramaGriff in the episode "Who Framed Billy the Kid?", with Nick Nolte as Billy Randolph, a football playeraccused of murder. In 1974, Howard was cast as the co-star of the NBC series Petrocelli. Her performance was subsequently nominated for both the Golden Globe and Emmy awards. Despite critical acclaim for Howard, the series was cancelled in 1976. In 1978, Howard played a key role as Professor Kingsfield's daughter Susan in season one, episode 10 of The Paper Chase. In 1979, she appeared on Dallas as Donna Culver. The producers of the show liked her performance so much that her guest spot was expanded to an eight-year stint; she has the distinction of being the only Dallas cast member to have also written for the series. In 1987, the show decided to not renew her contract. She has blamed this decision on her opposition to what she saw as pro-abortion storylines involving her character.
Personal life
Howard was married to actor Charles Howerton from 1962 to 1964. They had one daughter, Lynn. In 1974, she married independent film executive Calvin Chrane. Susan and her husband have lived in Boerne, Texas, since 1998. She is a member of the Writers Guild of America and wrote two episodes of Dallas.