The fourth season of the American science fiction television series "" commenced airing on UPN in the United States on September 3, 1997, and concluded on May 20, 1998, after airing 26 episodes.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they were stranded in the Delta Quadrant, far from the rest of the Federation.
 Series four featured the debut of new main cast member Jeri Ryan as Seven of Nine (Seven), and the departure after two episodes of Jennifer Lien, who portrayed Kes during the first three seasons of the show.
"Barge of the Dead" is an episode of the American science fiction television series "".
 It is the third episode of the and was first broadcast by UPN on October 6, 1999.
 "Barge of the Dead" was developed from a story by Ronald D. Moore and Bryan Fuller, who wrote the teleplay, and was directed by Mike Vejar.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they are stranded in the Delta Quadrant, far from the rest of the Federation.
"Phage" is the fifth episode of the first season of the American science fiction television series "".
 The episode originally aired on February 6, 1995, on the UPN network, and was directed by Winrich Kolbe.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they were stranded in the Delta Quadrant far from the rest of the Federation.
"The Gift" is the second episode of the of the American science fiction television series "", the 70th episode overall.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they were stranded in the Delta Quadrant far from the rest of the Federation.
 The episode marks the last appearance of Kes until the episode,
B'Elanna Torres is a main character in "" played by Roxann Dawson.
 She is portrayed as a half-human half-Klingon born in 2346 on the Federation colony Kessik IV.
 She was admitted to Starfleet academy but dropped out before completing her training.
 Torres joined the Maquis in 2370 and was serving on the "Val Jean" when taken to the Delta Quadrant by the Caretaker alien using his station.
 After being used for medical experiments she was left in an Ocampa colony maintained by the same alien that had abducted the "Val Jean".
 That ship was destroyed in a space battle at the Array and she and what remained of that crew joined the USS "Voyager".
 On the ship she was given field commissioned rank of Lieutenant, junior grade and posted in engineering.
 In 2371 she was promoted to Chief Engineer.
 In 2377, she married Tom Paris and gave birth to their daughter Miral at the beginning of the next year, while "Voyager" was returning to the Alpha Quadrant.
"Caretaker" is the first and second episode of the American science fiction television series "".
 This series pilot premiered as one double-length episode on January 16, 1995, as the first telecast of the fledgling UPN network.
 It was later split into two parts for syndication.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they were stranded in the Delta Quadrant far from the rest of the Federation.
"Heroes and Demons" is the 12th episode of the of the American science fiction television series "."
 The episode first aired on the UPN network on April 24, 1995.
 It was directed by Les Landau and written by former "" story editor Naren Shankar.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they were stranded in the Delta Quadrant far from the rest of the Federation.
 In this episode, after a sample of a protostar is brought on board, crewmen start to vanish from a holodeck simulation of Beowulf.
 The Doctor (Robert Picardo), a hologram, investigates and finds that a lifeform was transported to the ship alongside the sample.
 It escaped to the holodeck where it was converting those who entered into energy.
 The Doctor has the samples brought to the holodeck and released, resulting in the lifeform returning the crewmen to their corporeal states.
Jeri Lynn Ryan (born Jeri Lynn Zimmermann; February 22, 1968) is a German actress best known for her role as the Borg Seven of Nine on "", for which she was nominated four times for a Saturn Award and won in 2001.
Neelix is a character in the science fiction television series "", played by actor Ethan Phillips since the series' inception.
 Neelix is an alien native to the distant far side of the galaxy, who has joined the crew of the United Federation of Planets starship USS "Voyager" as cook after its being captured by a mysterious shock wave to the Delta Quadrant.
"Faces" is an episode of the American science fiction television series "".
 It is the 14th episode of the and was first broadcast by UPN on May 8, 1995.
 "Faces" was developed from a story by Jonathan Glassner and Kenneth Biller.
 Biller wrote the teleplay, which was directed by Winrich Kolbe.
 Set in the 24th century, the series follows the adventures of the Starfleet and Maquis crew of the starship USS "Voyager" after they are stranded in the Delta Quadrant, far from the rest of the Federation.

Question: Which German actress played a character on a starship stranded in the Delta quadrant? 
Answer: Jeri Lynn Ryan