Professors/Academics

Professors, scientists, lab technicians and graduate students that appear in various episodes.

STUB

Octavia Spencer as the uptight DMV employee The Euclid Alternative who had to deal with Sheldon getting a driver's test.

Yeardley Smith as Sandy The Einstein Approximation who tried to help Sheldon find a menial job.

William Stanford Davis as Dry Cleaner The Parking Spot Escalation who serves Sheldon when he wants his couch cushion cleaned.

Fernando Riveria as Sales Person The Indecision Amalgamation who told Sheldon the computer store was closed.

Angela Sargeant as Lana The Bakersfield Expedition at the desert restaurant where the hitch hiking guys ended up.

Alex Ball as Waiter The Locomotive Manipulation who serves Sheldon, Amy, Howard and Bernadette on the dinner train.

Creagen Dow as Maitre D' The Valentino Submergence who Penny tries to flirt with and gets called "ma'am".