13. [1x13] "Der Stein der Zukunft - Teil 1" ("Better Living Through Morganite: Part 1") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
Zero (Tierre Turner) [vo] Thomas Reiner Walman (Walter Norman) Holger Schwiers Magus (Marcia Magus) Ute Bronder Baines (Rockmond Dunbar) Andreas Neumann Terrian #1 (Brian Steele) Terrian #2 (Russell Werkman)
14. [1x14] "Der Stein der Zukunft - Teil 2" ("Better Living Through Morganite: Part 2") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) - Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
Mary (Kelli Williams) Michaela Geuer
Zero (Tierre Turner) - Walman (Walter Norman) Holger Schwiers Magus (Marcia Magus) Ute Bronder Baines (Rockmond Dunbar) Andreas Neumann Terrian #1 (Brian Steele) Terrian #2 (Russell Werkman) Soldat (David Elliot) Gerd Rigauer Frau (Leslie Cook) Michèle Tichawsky Nachrichtensprecher (Patrick Henry Finnegan) Andreas Seyferth
Mann {11:26} (Fredrick Lopez) Gerhard Acktun [unaufgeführt]
Gerätstimme {8:55} Martina Duncker Soldat {19:39} Andreas Seyferth Chirurg {19:56} Michael Schernthaner
16. [1x16] "Traumbotschaften" ("The Greatest Love Story Never Told") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
"Meister" Sheppard (Patrick Bauchau) Thomas Fritsch [O: "Govenor"] Katrina (Lilyan Chauvin) Haide Lorenz Ragamuffin (Andrew J. Ferchland) [Kind] The Elder (Roy Dotrice) Klaus Höhne
Walman (Walter Norman) Holger Schwiers Baines (Rockmond Dunbar) Andreas Neumann Ivan (Ivan Schwarz) Gerd Rigauer Larken (Dain Turner) Michael Schernthaner
16. [1x16] "Traumbotschaften" ("The Greatest Love Story Never Told") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
"Meister" Sheppard (Patrick Bauchau) Thomas Fritsch [O: "Govenor"] Katrina (Lilyan Chauvin) Haide Lorenz Ragamuffin (Andrew J. Ferchland) [Kind] The Elder (Roy Dotrice) Klaus Höhne
Zero (Tierre Turner) Walman (Walter Norman) Holger Schwiers Magus (Marcia Magus) Baines (Rockmond Dunbar) Andreas Neumann Terrian #1 (Brian Steele) Terrian #2 (Russell Werkman) Ivan (Ivan Schwarz) Gerd Rigauer Larken (Dain Turner) Michael Schernthaner
18. [1x18] "Die kalte Gefahr" ("After the Thaw") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
15. [1x15] "Hilferuf aus der Vergangenheit" ("Grendlers in the Myst") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
Whalen (Tim Ransom) Frank Röth Dell Curry (Francia Di Mase) Carin C. Tietze
19. [1x19] "Der König der Terrianer" ("The Boy Who Would Be Terrian King") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
19. [1x19] "Der König der Terrianer" ("The Boy Who Would Be Terrian King") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
20. [1x20] "Die Gewissensfrage" ("Survival of the Fittest") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
22. [1x22] "Der defekte Chip" ("All About Eve") Devon Adair (Debrah Farentino) Marietta Meade John Danziger (Clancy Brown) Kai Taschner Yale (Sullivan Walker) Hartmut Reck Dr. Julia Heller (Jessica Steen) Katharina Lopinski Bess Martin (Rebecca Gayheart) Katrin Fröhlich Morgan Martin (John Gegenhuber) Tobias Lelle Ulysses Adair (Joey Zimmerman) [Kind] True Danziger (J. Madison Wright) [Kind] Alonzo Solace (Antonio Sabato Jr.) Oliver Mink
Reilly (Terry O'Quinn) Franz Rudnick Dr. Franklin Bennett (Christopher Neame) Wolfgang Müller Elizabeth Anson (Margaret Gibson) Dagmar Heller [= Meg Gibson]
Eben Synge (Erin Murphy) - Eve (Hedy Thom) Martina Duncker Walman (Walter Norman) Holger Schwiers Magus (Marcia Magus) Ute Bronder Baines (Rockmond Dunbar) Andreas Neumann Zero (Tierre Turner)