Robert Sean Leonard

as Self

as Tim

as Director Cleave (1 episode)

as Matthew Forte (7 episodes)

as Walter Humbolt (6 episodes)

as Shamus O'Malley (1 episode)

as Brock (1 episode)

as Self

as Frederick Barnes (1 episode)

as Self

as Narrator

as Dr. Roger Kadar (22 episodes)

as Herman Melville (voice)

as Del Paul (1 episode)

Thanks

as Self

as James Wilson (176 episodes)

as Peter

as Jesse Chandler

as Jon

as Terry

as Demille Bly