translate English to German: Between 1985 and 1995, Sierra guest-starred on six episodes of ''Murder, She Wrote'', three of which had him playing Police Lieutenant Gabriel Caceras. Among the actors he worked with on this series were [[Ed Bakey]], [[Kim Darby]], [[Cliff de Young]], [[Jerry Hardin]], [[Gregg Henry]], [[Richard Herd]], [[Sally Kellerman]], [[Richard Libertini]], [[Laurence Luckinbill]], and [[Dan Shor]].
In ''Star Trek'' spielte er [[Corbin Entek]] in der [[DS9]]-Episode {{e|Die zweite Haut}}.