Rohner was born August 5, 1957 in
Palo Alto, California and raised in
Los Angeles. He graduated with a
Bachelor of Arts degree in theater from
Whitman College, He also starred in the 1986 film
Modern Girls as Clifford and Bruno X. He is a main character in the 1994 film
Caroline at Midnight. Other credits include the films ''
April Fool's Day, Destroyer, The Relic, and The Human Centipede 3 (Final Sequence). Clayton starred in the short-lived science fiction series E.A.R.T.H. Force and G vs E, and in the 2005 film Formosa''. Rohner appeared on the TV series
Murder One as Detective Vince Biggio from 1996 to 1997. His television guest appearances include
Miami Vice,
Beverly Hills, 90210,
Charmed,
Crossing Jordan,
Angel, and
Weeds. In the
Star Trek: The Next Generation episode "
Too Short a Season," Rohner played the elderly Starfleet Admiral Mark Jameson, who administers an alien medicine to himself and rapidly de-ages; his wife was played by
Marsha Hunt. Director
Rob Bowman later noted that working with Rohner on the episode was "a real treat," adding that the two spent extensive time off-camera developing the character of Jameson. Rohner also appeared in the award-winning series
Into the West and
The X-Files (season 6, episode 8). He also appeared in the TV role of Jared Pryor in the short-lived
ABC midseason replacement Day Break. ==Filmography==