Self - Participant (1 episode)
Self / Host (8 episodes)
Self - Participant (1 episode)
Self - Contestant (1 episode)
Themselves - Guest (1 episode)
Self - Contestant (1 episode)
Self - Presenter (4 episodes)
Self - Participant (1 episode)
Himself - Presenter (9 episodes)
Self - Contestant (6 episodes)
Self - Expert (2 episodes)
Self - Guest (2 episodes)
Self - Contestant (5 episodes)
Himself - Host (9 episodes)
Self - Contestant (1 episode)
Self - Presenter (2 episodes)
Self - Captain (37 episodes)
No. 4 - Agent 1
Various Characters (1 episode)
Various
Self / Superman
Self - Host (4 episodes)
Melvin O'Doom (253 episodes)