Suggestions by @optimistic_writer

Laurie Holden

as Sammy Thompson in What If Doctor Who Wasn't Axed? - The Ninth Doctor (2000)

Steven Moffat

as Script Editor in What If Doctor Who Wasn't Axed? - The Ninth Doctor (2000)

Sue Vertue

as Producer in What If Doctor Who Wasn't Axed? - The Ninth Doctor (2000)

David Renwick

as Executive Producer in What If Doctor Who Wasn't Axed? - The Ninth Doctor (2000)

Sylvester McCoy

as The Seventh Doctor in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Julia Sawalha

as Katie Tollinger in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Derek Jacobi

as The Rogue in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Laurie Holden

as Sammy Thompson in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Steven Moffat

as Script Editor in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Sue Vertue

as Producer in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

David Renwick

as Executive Producer in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1999)

Garrett Wang

as Ensign Harry Kim in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Jeri Ryan

as Seven of Nine in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Tim Russ

as Lt. Commander Tuvok in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Robert Picardo

as The EMH in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Ethan Phillips

as Neelix in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Robert Duncan McNeill

as Ensign Tom Paris in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Roxann Dawson

as Lt. B'Elanna Torres in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Robert Beltran

as Commander Chakotay in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)

Kate Mulgrew

as Captain Kathryn Janeway in What If Doctor Who Wasn't Axed? - The Ninth Doctor (1998-1999)