His other television roles include Det. Sgt. Charles ‘Chas’ Jarvis in Dempsey and Makepeace (1984–1986) and both Wesley McGregor and Peter Ingram in Coronation Street (1982 and 1990). He has also appeared in Space: 1999 (1976), The Professionals (1978), Charles Endell Esq (1979), Minder (1980), The Flame Trees of Thika (1981), Tales of the Unexpected (1982), Bergerac (1983), Between the Lines (1994), Taggart (1999) and Dinotopia (2002) as well as three appearances in Doctor Who in the stories “Destiny of the Daleks” (1979), “Dragonfire” (1987) and “Kill the Moon” (2014). His film career includes roles in Pure as a Lily (1976), the film version of Porridge (1979), Game for Vultures (1979), and Who Dares Wins (1982).

In 2005, Osoba starred as the Kralahome in a UK touring production of The King and I. Recent credits include the 2007 film Tanner, as Superintendent Smith in Hollyoaks and Charlie Dokes in The Bill. In 2011 Osoba made a brief appearance in an episode of The Shadow Line.