Has anyone noticed there are several recurring cast members listed as different characters?

Brittany Perrineau is credited as Lotto Girl (episodes 1.18 & 2.4) as well as “Woman” (episode 1.16).
Geoff Heise as Doctor (1.5) as well as Man (1.1)
Glenn Cannon as Old Scooter Man (1.24) as well as Priest (1.7)
Jonathan Dixon as Flight Attendant #3 (1.1 & 1.2) as well as JD (1.24)
Kimberley Joseph as Flight Attendant #4 (1.2 & 1.1) as well as Cindy (2.6)
Michael Adamshick as Anesthesiologist (1.11) as well as Lottery Official (2.4)
Michelle Arthur as Flight Attendant #2 (1.2 & 1.1) as well as (1.24)

Other then Randy has anyone noticed other characters appearing in multiple roles?

I missed the first season almost entirely so I guess I am just looking for some thoughts on the above characters.

Well, I don't know if this counts as a 'multiple role,' but many have pointed out that M.C. Gainey plays both the bearded man in the boat who took Walt and the (much younger looking) bearded man in the Orientation video. But if they are meant to be the same character then it is only one role.

I am wondering if it will turn out Cindy (also the flight attendant) in Ana Lucia's group will turn out to have been in cahoots with the Hanso people.

Brittany Perrineau ??? Wait Michael is Harold Perrineau...... I wonder if they are related.. Just a thought
--Katie--
edit/// Ok so i just found out she is is wife.. Some idiot I am!

Brittany Perrineau was called Mary Jo in Everybody Hates Hugo.:)