
Cal MacAninch is a Scottish actor, who is known for portraying the character of DI John Keenan in police drama HolbyBlue on BBC1 (from 2007 to 2008). Other notable appearances were his roles as Mr Thackeray in the ITV period drama, Mr Selfridge, and Henry Lang in Downton Abbey, but he has played many leading roles in British television and film over the last 30 years.
MacAninch played Rowan Collins in Series 4 of the ITV drama series Wild at Heart. He returned to the show for its fifth series as a main cast member. He also played Tauren, a sorcerer in the BBC television series Merlin in the episode "To Kill the King". He starred in the 2001 BBC miniseries The Best of Both Worlds with Alice Evans. He appeared as Henry Lang, a valet, in the second series of Downton Abbey.

Doomsday
2008 · as Chancellor Falco

The Awakening
2011 · as Freddie Strickland

Intrigo: Samaria
2019 · as Erich Neumann-Hansen

Calibre
2018 · as Al McClay

Slapper
2008 · as Jack / Lad 1

Macbeth
2025 · as Banquo

The Reckoning
2021 · as Ben Tuttle

The Lost Son
1999 · as Martin

Dangerous Lady
1995

Splitting Heirs
1993 · as CID Officer

Dear Frankie
2004 · as Davey

The Point Men
2001 · as Horst

Nobody Has to Know
2022 · as Peter

A Mind to Murder
1995 · as Philip Tippett

The Woodlanders
1998 · as Dr, Fitzpiers

Intrigo: Dear Agnes
2019 · as Erich Neuman-Hansen

Warriors
1999 · as Sgt. Andre Sochanik

Lucky Star
2019