Robert Sean Leonard

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Robert Sean Leonard

Age: 56

born February 28, 1969

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Robert Sean Leonard (born February 28, 1969) is an award-winning American actor. He has regularly starred in Broadway and off-Broadway productions, but is most known for his roles on House and in Dead Poets Society.

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Top Casting Suggestions

Robert Sean Leonard has been suggested to play 262 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.

Robert Sean Leonard

as

Fleamont Potter

in

All the Young Dudes

29 Yes

14 No

Fleamont Potter
Robert Sean Leonard

as

1980s

in

Actors and Actresses Who Play Teenagers By Decade

7 Yes

0 No

Actors and Actresses Who Play Teenagers By Decade
Robert Sean Leonard

as

Spider-Man (Peter Parker)

in

80's Spider-Man Movie Series

7 Yes

1 No

Spider-Man
Robert Sean Leonard

as

House

in

Best Actors and Actres in Series

5 Yes

0 No

Best Actors and Actres in Series
Robert Sean Leonard

as

House

in

Best Actor/Actress By TV Show

4 Yes

0 No

Best Actor/Actress By TV Show
Robert Sean Leonard

as

Otto Octavius (Doctor Octopus)

in

Spider Man 4: Homesick

4 Yes

0 No

Otto Octavius
Robert Sean Leonard

as

Uncle Ben Parker

in

Richman’s: Human Spider (2025)

4 Yes

0 No

Richman’s: Human Spider (2025)
Robert Sean Leonard

as

Superman (Clark Kent, Kal-El)

in

Kingdom Come

4 Yes

1 No

Kingdom Come
Robert Sean Leonard

as

Spider-Man (Peter Parker)

in

Spider-Man Movie Series (1990's)

4 Yes

1 No

Spider-Man
Robert Sean Leonard

as

James Gordon

in

Batman: The War of Jokes and Riddles

3 Yes

0 No

James Gordon
Robert Sean Leonard

as

Mark Sanderson

in

Flying (Alternative Casting)

3 Yes

0 No

Mark Sanderson
Robert Sean Leonard

as

Doctor Octopus (Otto Octavius)

in

Spider-Man 4 MCU

3 Yes

0 No

Doctor Octopus
Robert Sean Leonard

as

Otto Octavius

in

Spider-Man Home Run

3 Yes

0 No

Otto Octavius
Robert Sean Leonard

as

Otto Octavius (Doctor Octopus )

in

Fancasting Spider-Man villains in MCU

3 Yes

0 No

Otto Octavius
Robert Sean Leonard

as

Otto Octavius (Doctor Octopus)

in

SPIDER-MAN 4

3 Yes

0 No

Otto Octavius
Robert Sean Leonard

as

Carl Hanratty

in

Catch Me If You Can

3 Yes

0 No

Catch Me If You Can
Robert Sean Leonard

as

Peter Parker (Spider-Man)

in

Spider-Man (80s)

3 Yes

0 No

Peter Parker
Robert Sean Leonard

as

Ed Truck

in

The Dunder Mifflin Days (2025)

3 Yes

0 No

The Dunder Mifflin Days (2025)
Robert Sean Leonard

as

Charlie Deveraux

in

Halloween (1968-2012)

3 Yes

0 No

Halloween (1968-2012)
Robert Sean Leonard

as

Otto Octavius (Doctor Octopus)

in

Spider-Man 4

3 Yes

0 No

Otto Octavius
Robert Sean Leonard

as

Uncle Ben

in

Ultimate Spider-Man

3 Yes

0 No

Ultimate Spider-Man
Robert Sean Leonard

as

Uncle Ben (Flashbacks)

in

Spider-Man: Amazing Fantasy

3 Yes

0 No

Spider-Man: Amazing Fantasy
Robert Sean Leonard

as

Spider-Man (Peter Parker)

in

90s Spider-Man series

4 Yes

2 No

Spider-Man
Robert Sean Leonard

as

Otto Octavius (Doctor Octopus)

in

Spider-Man Home Sweet Home

3 Yes

1 No

Otto Octavius

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