She's in at least two episodes, maybe more--a few of the episodes still don't have titles or guest star lists revealed yet. Maybe she'll end up one of those semi-regulars about whom everyone has "But can you really technically call him/her a companion?" arguments until the end of time.

"definitely a feature in that he's playing the doctor, and i far prefer a weird face to a conventionally handsome one for that. but, yeah, not finding him attractive quite yet."

His face seems to change completely depending on what angle, time of day or moon phase you catch him at, so, yes, we've definitely got the "weird face" requirement down pat and we'll see about all the rest.