Luke Allen-Gale

as John

as Sidney Beecher-Stevens

as William Shakespeare (1 episode)

as Ben Lockwood

as Brad de Vries (6 episodes)

as Dr. Bennett Stone

as Ruggero Levati

as Ronnie Knight

as Erwin Freundlich (1 episode)

as Himself - Narrator

as William Whele (21 episodes)

as Derek Clark (1 episode)

as Dr. Alexander Manning (1 episode)

as Ezekiel Bruton (1 episode)

as Adam Fairs (1 episode)

as Army Heckler

as Iggy

as Fredirigo (3 episodes)

as Corporal Jackie Clough (4 episodes)

as Michael Wolfe

as Robert Modin (1 episode)

as Dave Doggy Day (1 episode)