Steve Martin as Orin Scrivello, DDS, an abusive, sadistic and nitrous oxide-huffing dentist, and Audrey's boyfriend.

He was often seen in the early 1980s playing the role of the sadistic dentist in the original off-Broadway production of Little Shop of Horrors.

Orin Scrivello, a sadistic dentist, is Audrey's abusive boyfriend.

In the musical the sadistic dentist, Orin Scrivello, is killed by suffocation from laughing gas instead of being stabbed with a dental instrument as in the film.

When Seymour fouls up the arrangement of Dr. Farb (John Shaner), a sadistic dentist, Mushnick fires him.

He is also mentioned in Alan Menken's Little Shop of Horrors in the song, "Dentist", which is about a sadistic dentist.

But the first two incarnations of human plant food are a sadistic dentist and an opportunistic shop owner, so there's no good blood lost there.

In 1986, Martin was in the musical movie version of the hit off-Broadway play Little Shop of Horrors as a sadistic dentist, Orin Scrivello.

She is dating a sadistic dentist, who keeps her in handcuffs and routinely batters her until Seymour turns him into plant food.

It devoured demised or murdered human bodies, of which the sadistic dentist was one.