| Name (Sort) | Character (Sort) | |
| •Lee Patterson | played | Peter Brady (voice, episode 1 only) (1Eps.) |
| •Paul Carpenter | played | Peter Brady (voice, episodes 2-4) (3Eps.) |
| •Tim Turner | played | Peter Brady (voice) (22Eps.) |
| •Johnny Scripps | played | Invisible Man (body) (26Eps.) |
| •Lisa Daniely | played | Diane Wilson (14Eps.) |
| •Deborah Watling | played | Sally Wilson (8Eps.) |