 Sinden made his film debut as rebel fighter pilot "Gold Two" in "Star Wars" (1977).His character was later identified as Dex Tiree in the 2015 reference book, "Ultimate Star Wars".He appeared in such films as "Rosie Dixon – Night Nurse" (1978); "Chariots of Fire" (1981) playing the president of the Gilbert and Sullivan society; "Ascendancy" (1983); "Madame Sousatzka" (1988); "The Object of Beauty" (1991); "Let Him Have It" (1991) and "The Innocent" (1993).