List of Big Time Rush characters Character appearances Character appearances

| Character_ | Played_by | Season_1 | Season_2 | Season_3 | Season_4 | First_Appearance |
|---|---|---|---|---|---|---|
| Freight Train | Stephen Keys | 5 | 1 | 0 | 0 | Big Time Love Song |
| Lightning the TV Wonder Dog | Morgan the Dog | 5 | 3 | 1 | 0 | Big Time Audition |
| Roberta | Rachel Quaintance | 5 | 0 | 1 | 0 | Big Time Audition |
| Dr. Hollywood | Lorenzo Lamas | 1 | 1 | 0 | 2 | Big Time Love Song |
| Ted Garcia | Himself | 6 | 1 | 0 | 0 | Big Time Audition |
| Mr. X | Fred Tallaksen | 5 | 1 | 0 | 0 | Big Time Audition |
| Obdul (Griffin`s assistant) | Obdul Reid | 11 | 12 | 2 | 3 | Big Time Audition |
| Jo`s Driver | Mike Carlucci | 0 | 3 | 0 | 0 | Big Time Girlfriends |
| Jenny Tinkler | Sammy Jay Wren | 1 | 1 | 0 | 0 | Big Time Audition |