: A mysterious time traveler from the Doctor's future who appears in several key episodes. Key Episode Highlights Episode Title Key Theme / Plot Point The Eleventh Hour
: Amy's fiancé (and later husband), a nurse who eventually joins the TARDIS as a regular companion.
The season follows the newly regenerated Doctor and his companion, Amy Pond, as they investigate a recurring mystery: . These cracks can erase objects and people from existence, a threat that culminates in the series finale where the TARDIS itself is at risk of exploding and destroying time. Main Cast & Characters Doctor Who - Season 5
Note: If you are looking for , that era stars Patrick Troughton as the Second Doctor and is famous for the "Base Under Siege" format, featuring the first appearances of the Great Intelligence and the Ice Warriors. Doctor Who Season 5: Doctor In a Base Under Siege
: Introduced as a whimsical yet ancient "Raggedy Doctor". Smith was 26 at the time of casting, making him the youngest actor to play the role. : A mysterious time traveler from the Doctor's
: A "kissogram" from the town of Leadworth who first met the Doctor when she was seven years old.
The two-part finale where the Doctor’s enemies unite to trap him. These cracks can erase objects and people from
The Doctor has 20 minutes to save Earth while his TARDIS is still recovering.