Chico Marx (as Harpo) on I've Got a Secret 21/04/1954
Original air date: April 21st, 1954 Chico Marx fools the I've Got A Secret panel into thinking he's actually his younger brother Harpo Marx! Massive thanks to Adam Nedeff at billcullen.net for uncovering the original episode for me after days of struggling to find a copy of this episode. Enjoy!

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Harpo Marx on I've Got a Secret 5/3/61

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Milton Berle and Harpo Marx 1959

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Last Witness to President Abraham Lincoln Assassination I've Got A Secret

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The Forgotten Marx Brother

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What's My Line? - Groucho Marx destroys the show; Claudette Colbert (Sep 20, 1959)

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I've Got a Secret - May 6, 1959 with Jack Lemmon

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Harpo Marx playing classics

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I've Got a Secret - Arlene Francis plays the trombone! (Jun 21, 1965)

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Candid Camera Gold: Harpo Marx

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I've Got a Secret | Feb 3rd, 1954 | Garry Moore | Special Guest Merle Oberon | BUZZR

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Groucho Marx Leaves Dick In Stiches During Hilarious Interview | The Dick Cavett Show

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Breaking Harpo Marx's Silence

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Infamous "I've Got a Secret" - You're Going to Die!

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Chico, Harpo & Groucho Marx at the piano (Animal Crackers, 1930)

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Groucho Marx Makes a Surprise Visit on The Tonight Show Starring Johnny Carson - 10/04/1965

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Susan Fleming Marx - Speaking of Harpo

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The Jack Benny Program: Jack Is A Contestant (With Groucho Marx)

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Harpo Marx Brothers

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Lee Marvin Explains Why Hollywood War Movies Are Total Fiction | The Dick Cavett Show

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