I have a feeling there is a thread on this, but I couldn't find it! Anyway, we know that Hugh Laurie is TeNi, and I'm curious to know the type of some other actors in the show.
Wilson/Robert Sean Leonard ---> SiFe? Must be NeSi user. He has some goofiness of SiTe's, but he lacks Fi tension. Reminds me of Harrison Ford.
Robert Sean Leonard: I think i'm totally for SiFe. Even just from photos, he is the standard fabric one. And he reminds me very much of an older Rupert Evans.
Jesse Spencer: i agree with chaoticbrain, i see Fe lead, and if in a first moment i didn't really figured out the secondary function, i was for FeSi a moment, since i drew a parallel with Jason Statham then i saw some more videos and pictures, and yes, he seems quite FeNi.
Olivia Wilde: oh... me and @morsecode typed her long time ago. At first i thought TeSi (the attitude is identical to a TeSi highschoolmate i had), but then she made me think about SeFi... anddaah... i wasn't totally convinced, so i just forgot about her (i hate when it happens). But now, after some time, i presume she's actually SeFi. morsecode, here's your 10 bucks
I'm still unsure of Jesse Spencer, though. His expression is very similar to my husband: horizontal smile, relaxed and a rather still way to sit, slow movements, zone-outs, engaging down while talking (Ti? Ni?), hand gestures. They are both beta's, and I'm really quite sure they share the exact type, but I'm hesitant of FeNi. Fe-leads seem more captivating with their speech and consciously trying to connect with eyes and gestures, which JS is not doing as much as I would assume if he were FeNi.
Some more:
Taub/Peter Jacobson ----> beta? He speaks fast but his smile is quite clearly a warming, interpersonal Fe smile. I'm not sure of his perceiving functions: he has hypnotic eyelids and his eye movements are more darting that toggling. Eyebrows are slanting but his scowl (3:09) looks more Ni. Maybe TiSe?
Peter Jacobson: i agree with beta, but i'm thinking FeNi. I think that his appearance is quite misleading, he "looks" delta (the shape of the face particularly), but he has that eye structure that me and @morsecode noticed while making the boards in pinterest that only Beta types have (i took only FeNi eyes in this picture because the last ones are "perfect" for this comparison):
Peter Jackobson Henry Cavill Andrew Lincoln Jesse Spencer George Barnett
Anyway, the reasons why he is FeNi (posted another video where i think it is clearer... oh, who's the other guy? ):
All trough the interview (and even in the first one) he shows a constant smile radiating outwardly, it is direct to the interviewer and it has anything personal (i remember of Mary Louse Parker who does that thing in the same way). I didn't perceived any tension around his mouth, at 0:11 with the lights in that position is more evident. Why i think Je lead: 1:38 - 1:47, 2:32 - 2:39, lol xD but again, his gestures looks very smoth and fluid, his arms are literally Flying. I remember that in the first video he displayed a lot of Je gestures.
Lisa Edelstein: I think i'd go with TeNi for her. She reminds me a lot of Carrie Anne Moss. But i'm not totally sure, maybe i'm just starting to hate when i see TiSes because i only see them lately and i'm rejecting any possibility to find another one -.-
Omar Epps: agree, beta p lead. Still not sure if SeTi or NiFe, i'm tempted to say SeTi for some phisiognomical appearance but i think NiFe is more possible in his case. Anyway, he reminds me a lot of Osho and Chris Tucker. But that "balloon" face... is totally NiFe :S
Gotta come back when i'm less lazy than i am now xD