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No, if Sean Cassidy is the spelling of the person of whom you are inquiring.
Nevertheless, Shaun Cassidy -- who portrayed Joe Hardy on "The Hardy Boys" in the 1970s TV series. Then, yes, David and Shaun Cassidy are half brothers, they have different mothers. Their father was Jack Cassidy.
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Earn +20 ptsQ: Is Michael Cassidy related to David Cassidy?
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Continue Learning about TV & Celebs
Are david and Eva cassidy related?
No.
When did David Cassidy get married?
David Cassidy married to Kay Lenz in 1977 David Cassidy married to Meryl Tanz in 1984 David Cassidy married to Sue Shifrin in 1991
Is joanna cassidy david cassidy's mother?
No. David Cassidy's mother is Evelyn Ward.
Does David Cassidy have children?
Yes, David Cassidy has 1 kids
What actors and actresses appeared in David Cassidy Live in Glasgow - 2003?
The cast of David Cassidy Live in Glasgow - 2003 includes: David Cassidy
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