Sule Rimi

as Headmaster

as Kelly's Dad

as Luca

as Paul Pullman (7 episodes)

as Alex Hinton (3 episodes)

as Omo Esosa (1 episode)

as Stewart

as Gabe Gardner (8 episodes)

as Baba

as Captain Knox (1 episode)

as Sam Thomas

as Self- Narrator

as Lieutenant Gorn (3 episodes)

as Lieutenant Gorn (archive footage) (uncredited)

as Daniel

as Eugene Christoph

as UK Dad

as Vagabond

as Councilor Tarisk (2 episodes)

as Stephen Wolfe (1 episode)

as Dennis Brilliance

as Scott

as Onyinyechukwu

as Dr. Jim Bayliss