Popularity: 2
| Creator: | Bruce Lansbury | 
|---|
| Name | Character | Episodes | 
|---|---|---|
| Roddy McDowall | Dr. Jonathan Willoway | 10 | 
| Carl Franklin | Dr. Fred Walters | 10 | 
| Ike Eisenmann | Scott Jordan | 10 | 
| Jared Martin | Varian | 10 | 
| Katie Saylor | Liana | 10 | 
| Jason Evers | Atar | 2 | 
| Mary Ann Mobley | Rhea | 2 | 
| Gary Collins | Dar-L | 2 | 
| Ian McShane | Sir James Camden | 1 | 
| Jeffrey Byron | 1 | |
| Joan Collins | 1 | |
| Nicholas Hammond | 1 | |
| Richard Jaeckel | 1 | |
| Scott Brady | Carl Johanson | 1 | 
| Leif Erickson | Ben Wallace | 1 | 
| Susan Howard | Eve Costigan | 1 | 
| Mel Ferrer | 1 | |
| Julie Cobb | 1 | |
| Richard Lawson | 1 | |
| Paul Mantee | 1 | |
| Cheryl Ladd | 1 | |
| Marj Dusay | 1 | |
| Beverly Todd | 1 | |
| Ellen Weston | 1 | |
| Brian Patrick Clarke | 1 | |
| Lew Ayres | 1 | |
| A. Michael Baldwin | Rito | 1 | 
| Crofton Hardester | 1 | |
| Mike Road | 1 | |
| Jonathan Goldsmith | 1 | |
| Morgan Paull | 1 |