<P> He guest appeared in two episodes as the Trickster in the live - action 1990 television series of The Flash . He has made cameo appearances on MADtv , where he played the estranged father of Ms. Swan , and appeared on Saturday Night Live playing himself being sold on a Star Wars themed home shopping sale . Hamill appeared in single episodes of 3rd Rock from the Sun in 1997 , Just Shoot Me ! in 1998 and in two episodes of seaQuest DSV in 1995 ( as Tobias LeConte ) . He also appeared in the episode `` Mind over Matter '' of the 1995 television series The Outer Limits . </P>
<P> He guest appeared in two episodes as the Trickster in the live - action 1990 television series of The Flash . He has made cameo appearances on MADtv , where he played the estranged father of Ms. Swan , and appeared on Saturday Night Live playing himself being sold on a Star Wars themed home shopping sale . Hamill appeared in single episodes of 3rd Rock from the Sun in 1997 , Just Shoot Me ! in 1998 and in two episodes of seaQuest DSV in 1995 ( as Tobias LeConte ) . He also appeared in the episode `` Mind over Matter '' of the 1995 television series The Outer Limits . </P>
who does mark hamill play in the flash
who does mark hamill play in the flash
the Trickster
the Trickster