Felix Carmichael

Neville (1 episode)

Eric Peterson (8 episodes)

Self (1 episode)

Etienne LeBlanc (4 episodes)

Grim Reaper / Gardener / Swordsman / Monster / Old Duke (voice)

Maurice (voice)

Self - Guest (1 episode)

Dr. James Nicholson (2 episodes)

Director (3 episodes)

Writer (3 episodes)

Executive Producer (1 episode)

Screenplay (3 episodes)

Creator

Self (1 episode)

Peter Laurence (4 episodes)

Self (2 episodes)

Ryan Clark (17 episodes)

Mr. Dick

Major de Coverley (3 episodes)

Mycroft Holmes (uncredited)

Eldon Chance (20 episodes)

Executive Producer (1 episode)

Richard Roper (6 episodes)

Executive Producer (12 episodes)

Self (1 episode)

David Nix

Tom James (20 episodes)

Mr. Watts

Dr. Cockroach Ph.D. (voice)

Steve (voice)

Self (1 episode)

(1 episode)

David Walling

(1 episode)

Himself (1 episode)

(1 episode)

Self - Guest (1 episode)

Self (5 episodes)

Self (1 episode)

E.B.'s Dad (voice)

Self (3 episodes)

Roger (voice) (1 episode)

(archive footage)

Dr. Cockroach Ph.D. (voice) (1 episode)

Dr. Cockroach Ph.D. (voice)

Self (1 episode)

Dr. Cockroach Ph.D. (voice)

Dr. Cockroach Ph.D. (voice)

Self

Captain James Biggs

Self (2 episodes)

Self - Host (2 episodes)

Self (1 episode)

Self (7 episodes)

Self (2 episodes)

Mr. Little (voice)

Doctor

Gutsy (voice)

Ian

Gregory House (176 episodes)

Director (2 episodes)

Executive Producer (43 episodes)

Narrator (voice)

(7 episodes)

Lord Bernard Clark

Narrator (80 episodes)

Self (1 episode)

Paul Slippery (6 episodes)

Director (3 episodes)

Mr. Frederick Little (voice) (13 episodes)

Self (1 episode)

Teddy

Mr. Little

Jools Siviter (2 episodes)

Archie (voice)

Bar Patron (voice) (1 episode)

Dr. Gregory House (voice) (1 episode)

Raymond

Vincente Minnelli (2 episodes)

John Malkovich

Self (2 episodes)

Mr. Wolf (26 episodes)

Sam Bell

(1 episode)

Cenzo (voice)

(2 episodes)

Mr. Little

George

Geoffrey the Seagull (voice)

Baron Hector Hulot

Gentleman on the Plane (1 episode)

King's Advisor

(1 episode)

Poirot

Officer Steady

Tarquin (voice)

Squire Trelawney

Self (1 episode)

Jasper

Toad

Jerry Bryce (1 episode)

Mr. Abercrombie (voice) (1 episode)

(4 episodes)

Peeps

Toad

Mr. Palmer

Sir Michael Jaffa (1 episode)

Director (1 episode)

Director (1 episode)

Writer (1 episode)

Uncle

Peeps

Johnny Town-Mouse (voice) (1 episode)

Leo Hopkins (3 episodes)

Squire Trelawney (voice) (26 episodes)

Squire Trelawney (voice)

Roger Charleston

Owl (voice)

Owl / Mice (voice)

Bertie Wooster (23 episodes)

Colin

(1 episode)

Waiter (1 episode)

(25 episodes)

Writer (19 episodes)

Music (25 episodes)

Creator

Self

Princes Regent / Pigmot

(1 episode)

Roundhead with Cromwell (uncredited)

Self (2 episodes)

Professor (7 episodes)

Assistant

Writer

Howard Caprice

N'Bend (1 episode)

Self

Tom (1 episode)

(1 episode)

The Prince Regent (6 episodes)

Lieutenant The Honourable George Colthurst St. Barleigh (6 episodes)

Prince Ludwig (1 episode)

Simon Partridge (1 episode)

(30 episodes)

(1 episode)

Bobby McMichael

Jim (2 episodes)

Michael

Lord Monty (1 episode)

Max Belhaven / Various Roles (1 episode)

Writer (1 episode)

Creator

Admissions Officer (7 episodes)

Various (13 episodes)

Writer (13 episodes)

Various (3 episodes)

Writer (3 episodes)

Creator

various

Writer

Self (15 episodes)