Alexander Vlahos is a Welsh actor best known for playing Mordred in the BBC One television series Merlin, and for his role in The Indian Doctor as Tom Evans.

He was a voice artist in the online game The Gunpowder Plot

Philip Davis  is an English film actor, writer and director who has appeared in many films and television series. He has written and directed various dramas during his career.

He appeared in the 2008 Doctor Who story The Fires of Pompeii

Jon Croft's first credited role on television was as a chaplain in the 1963 version of Kidnapped. Appearances during the 1960s included Callan, Softly-Softly, The Newcomers and Out of the Unknown, and then into the 70s with Z-Cars, Jason King, The Protectors, Colditz and Van der Valk. As well as Doctor Who, more substantial roles included Blewitt in Poldark, Mr Ashburton in Matilda's England, West in A Question of Guilt, and during the 1980s as Jim Hadnett in Chelworth and the 90s as John Hasty in Forever Green. Other appearances in his later career included The Bill and Casualty, but also series like Kavanagh QC, Hamish Macbeth and Jeeves and Wooster.

Film appearances include a colonel in Ghandi, and a soldier in A Bridge Too Far, and theatre work included touring with The Lady's Not For Burning in Scotland in 1966, The Ecstasy of Rita Joe in 1975, and The Case of David Anderson Q.C. in 1980.

Alan Curtis  is an English actor and announcer.

He appeared in the 1966 story, The War Machines.

He was born in Coulsdon, Surrey and he has led a long career in the cinema, television and theatre. He has also acted for the MCC as an announcer at Lord's Cricket Ground. Alan now lives in West London. 

Peggy Dixon played a Dancer in the Doctor Who story The Masque of Mandragora.

Guy Middleton was an English film character actor.

He played Colonel Attwood in the Doctor Who serial The Highlanders.

Middleton was born in Hove, Sussex, England and originally worked in the London Stock Exchange, before turning to acting in the 1930s. In his earlier films he often portrayed an amiable idiot, but many of his later roles were military officers in the British Army, RAF or Royal Navy.

He died in 1973, following a heart attack, aged 65.