Joe Kennedy

Dr. Alloysius Hunnicutt (1 episode)

Grant Walker (voice) (1 episode)

Hamilton Fisk

Andrew Packard (6 episodes)

The Old Man

Randall Payne (1 episode)

Charles Braling (1 episode)

Vernon Kepler (1 episode)

Uncle Tom

Mr. Browne

The Old Man

Alexander Drake

Judge Sternhill

Charles Wellington (1 episode)

Alexander Preston (1 episode)

Denton Langley (1 episode)

Grig

Conal Cochran

Chiswell 'Chillie' Langhorne (4 episodes)

(1 episode)

Albrecht Von Drachenfels

The Director

Mark Twain

(12 episodes)

Dr. Ravashol (1 episode)

Freddie Brander (1 episode)

(1 episode)

Colonel Edward Stryker

(1 episode)

President Roosevelt

Father Kemschler

(1 episode)

Tip Conaker

Mathew Hatcher

Harry Wells (1 episode)

Leonard Jerome (1 episode)

Leonard Jerome

Fergus Stephenson

David Shawcross (2 episodes)

Lt. Col. Max Dodd (4 episodes)

Arthur Justin (1 episode)

J.D. Randall

Sol Diemus

Marshal Michel Ney

Charles Winthrop

Steven Grimes

Prof. David Garrow

Prof. Phineas Blackstone (1 episode)

Jake Lanier (1 episode)

Jack Cole (1 episode)

David Wyncop (1 episode)

(26 episodes)

Governor William Defoe (1 episode)

Marcel Rudolph (1 episode)

Capt. Rupert Oliver Morton (1 episode)

(1 episode)

Professor Richard T. Ely (1 episode)

Brig. Gen. Warren A. Black

Dr. Sardius McPheeters (26 episodes)

(1 episode)

Maj. Richter (1 episode)

Simon Carter (1 episode)

Hart Marbury (1 episode)

Caligari / Paul

Stephen Jordan (1 episode)

Colonel Tomlinson (1 episode)

(1 episode)

Mark Addison (1 episode)

John Patrick McHenry (1 episode)

Dr. Phillip Downey (1 episode)

Mark Sloan (1 episode)

(1 episode)

Detective Phil Butler

Colonel Fry (1 episode)

John Cord (1 episode)

Sir Harry Ivers

Don McGinnis

David (1 episode)

Judge Millard Isham

David Edwards

Arnold Bronn

Capt. Cleve Scott (1 episode)

Dermot Kinross

Dr. Keller

Dave Hardy (1 episode)

Dr. Donald Kent (1 episode)

Lord Derry

Brisquet

Ian Hamilton (1 episode)

Narrator

Self (1 episode)

(2 episodes)

Alan (1 episode)

Oliver Bradford (1 episode)

Henry (1 episode)

Trevelyan (1 episode)

Capt. Ronald Blaine (as Daniel O'Herlihy)

Prince Hal of Wales

Robinson Crusoe

(2 episodes)

Dr. Paul Crowley (1 episode)

Robert Burns (1 episode)

Danglars

Mr. Ohman

Nathaniel Hawthorne (1 episode)

Benedict Arnold (1 episode)

Lt. Duncan

Alfred O'Shea / Narrator (segment Actor's Blood)

Aramis Jr.

Hugh Williams

Commando Captain (uncredited)

Sgt.Murphy

Lt. Blakely

Alan Breck

Macduff

Duke

Nolan

Harry Brodrick