Is Mark Sheppard A-List?
No — Mark Sheppard is currently ranked B tier — a well-known figure with a strong career but not quite a household name.
Ranking Timeline
Early Television Roles
Sheppard starts appearing in minor television roles, building a foundation for his acting career.
'Firefly' Recurring Role
His role as Badger on 'Firefly' gains him more visibility and some income.
'Battlestar Galactica' Role
Recurring role on 'Battlestar Galactica' increases his profile in science fiction circles.
'Leverage' Recurring Role
His role as James Sterling on 'Leverage' helps to further diversify his career.
'Supernatural' Breakthrough
Landing the role of Crowley on 'Supernatural' becomes his most iconic and impactful role, increasing fame and income.
'Doom Patrol' Series Regular
Sheppard becomes a series regular on 'Doom Patrol', continuing steady work.
Continues TV Work
Sheppard continues to secure roles in television. Maintains solid career as a character actor.
Last updated: February 23, 2026