The same year he played Chief in the film The Sailor Who Fell from Grace with the Sea, opposite Sarah Miles and Kris Kristofferson.
In 1978 he played the character of 'Willi Frisch' in two episodes of the science-fiction television series The Tomorrow People in a storyline concerning Nazi Germany during World War II.
He also had a role in The Medusa Touch, starring Richard Burton, and appeared in the 1982 Vietnam war film How Sleep the Brave.
In the late 1980s he appeared in the role of 'Foxton' in the Cambridge University based historical comedy television series Porterhouse Blue (1987).
In 2002 Rhodes was arrested in Beijing, and he was detained for questioning by the Chinese police for activities related to the Falun Gong religious movement in China.