Stephen Tomlin (born "Stephen Allen" in Cornwall) appeared on Coronation Street in nine roles:
- The policeman who broke the news of Len Fairclough's death in December 1983
- Mr White, the Administrator at Weatherfield General in March 1992
- The vicar of St. Christopher's Church who married Reg Holdsworth and Maureen Naylor in January 1994
- South Weatherfield Leisure Centre manager Steve Searle in February 1995
- Reverend Tippett of St. Peter and Paul Church who officiated at the funeral service of Derek Wilton in April 1997
- A police inspector in February 2004
- Council surveyor Eddie Thorburn in November of the same year
- The doctor who was called to 11 Coronation Street after Colin Grimshaw had suddenly passed away in May 2009
- Weatherfield General consultant Julian Weatherall in May 2012.
He trained as a teacher at the Central School of Speech and Drama between 1969 and 1972. After performing in London fringe, he left for Manchester to successfully complete a probationary year's teaching in inner city schools. After two years as a drama workshops organiser and actor with Billingham Forum, Teeside, he moved to Lancaster to join the Dukes Playhouse Theatre in Education company.
His other credits include roles in A Kind of Loving, Strangers, Brookside, The Beiderbecke Affair, The Practice, Till We Meet Again, Emmerdale, Jayne Eyre and was also heard in The Archers.
On stage, he appeared in productions of Scenes from a Voyage to the Indies, Far from the Madding Crowd and Drums in the Night.
A member of The Actors Group (TAG) and the founder of Demi-Paradise Productions which he ran from 2000 to 2016, he was also the 1991 BBC TV Mastermind champion.