Suggestions by @danielbrown1

William Petersen

as Gilbert Grissom in CSI and Hawaii Five-O crossover

Score: +1

Jorja Fox

as Sara in CSI and Hawaii Five-O crossover

Score: +1

Robert David Hall

as Al robins in CSI and Hawaii Five-O crossover

Score: +1

Eric Szmanda

as Greg Sanders in CSI and Hawaii Five-O crossover

Score: +1

CBS Productions

as Composer in CSI and Hawaii Five-O crossover

Score: +1

Douglas mosman

as Frank in Hawaii Five-O

Score: +1

David Tomlinson

as Blake in Hawaii Five-O

Score: +1

Morton Stevens

as Music composed by in Hawaii Five-O

Score: +1

Seth Green

as Leonardo in my take on a TMNT Animated Movie

Score: +2

Ed Sherman

as Eddie Sherman in Hawaii Five-O

Score: +1

Tim O'Kelly

as Dan Williams in Hawaii Five-O

Score: +1

Deborah Adair

as Diana Rogers in MacGyver

Score: +1

Khigh Dhiegh

as Wo Fat in Hawaii Five-O

Score: +1

George Eads

as Dalton reboot in MacGyver

Score: +1

Lucas Till

as Macgyver reboot in MacGyver

Score: +1

Bruce McGill

as Jack Dalton in MacGyver

Score: +1

Dana Elcar

as Pete Thornton in MacGyver

Score: +1

Richard Dean Anderson

as MacGyver in MacGyver

Score: +1

Russell Wong

as Nick Wong in Hawaii Five-O

Score: +1

Gary Busey

as Jimmy in Hawaii Five-O

Score: +1