In alphabetical order: Longtime major guest star William Smithers (Jeremy Wendell) continues to appear, and Derek McGrath (Oswald Valentine) and Jonathan Goldsmith (Bruce Harvey) both join the cast.

Preston (Leo Daltry), Jim McMullan (Andrew Dowling), Josef Rainer (Mr. Barton), Karen Carlson (Nancy Scotfield) and Frederick Coffin (Alfred Simpson) all join the series for major story arcs, although they won't return for later seasons.

Season ten of Dallas was released by Warner Bros. Home Video, on a Region 1 DVD box set of three double-sided DVDs, on January 13, 2009.

Unlike the previous Dallas DVD box sets (but like the subsequent) it does not include any extras, besides the 29 episodes.

After he is confronted by J.R., Clayton, and Bobby, Wes agrees to take a lie detector test in order to prove he is Jock.

Sue Ellen forces a showdown with J.R. Jamie reaches a decision about her marriage to Cliff.

Cliff reluctantly tricks Pam in telling him which company Ewing Oil is bidding to buy & passes the information to Jeremy Wendell.