Simons made his television debut in 1993 as oil-rig worker Wilf Granelli in the drama series
Roughnecks. He later appeared in
Little Britain as Glynn, a gay vicar featured in scenes with the character Dafydd Thomas. In 2013 he played Torvald in
Ibsen's
A Doll’s House at the Royal Lyceum. His other credits include appearances in
Dreamland (2023) and BBC’s
Wolf (2023). In September 2025, Simons was cast as
Jim Griffiths in the upcoming film
The Man with the Plan, directed by
Christine Edzard. ==Personal life==