What's My Line? - Paul Newman; David Niven [panel] (Jan 25, 1959)

What's My Line? - Fred MacMurray; Jack Lemmon [panel] (Mar 8, 1959)

What's My Line? - Helen Hayes; Martin Gabel [panel] (Apr 14, 1957)

What's My Line? - Ingemar Johansson; Burl Ives; Martin Gabel & James Roosevelt [panel] (Feb 1, 1959)

FOOT IN MOUTH! What's My Line? 1955 | BUZZR

What's My Line? - Paul Newman & Joanne Woodward; Art Linkletter [panel] (Nov 8, 1959)

What's My Line? - Walt Disney; Jerry Lewis [panel] (Nov 11, 1956)

What's My Line? - Maureen O' Hara; Martin Gabel [panel] (Dec 27, 1959)

What's My Line (1965) (Johnny Olson Hilarious Mystery Guest Segment)

Salvador Dali on "What's My Line?"

What's My Line? - Johnny Mathis; Martin Gabel [panel]; Richard Boone [panel] (Feb 22, 1959)

A SPOOKY SURPRISE from VINCENT PRICE! - What's My Line?| BUZZR

What's My Line? - Gary Cooper; Anthony Perkins [panel] (Oct 18, 1959)

What's My Line? June 1, 1958: Best Contestant Ever

What's My Line? Election Day Special

What's My Line? - Nancy Kwan; Lord Robert Boothby [panel] (Dec 4, 1960)

What's My Line? - Yul Brynner; Peter Lind Hayes [panel] (Jan 6, 1957)

Peter O'Toole and Richard Harris Collection on Letterman, 1983-2007

Best Celebrity Moments of What's My Line Part 2

What's My Line? - Gisele MacKenzie; Laurence Harvey [panel]; Betsy Palmer [panel] (Mar 6, 1960)

What's My Line? - August 4, 1963