Suggestions by @user_226606

James Cameron

as Producer in The Owl House (1990s)

Tatum Marie Fjersted

as Vee in The Owl House (1990s)

Danny Tamberelli

as Tall hefty oracle student in The Owl House (Alternate casting)

Vicki Van Tassel

as Mouth head illusion student in The Owl House (Alternate casting)

Danny Tamberelli

as Bird oracle student/Tall hefty oracle student in The Owl House (Alternate casting)

Karel Roden

as Vitimir in The Owl House (Alternate casting)

Val Kilmer

as Steve in The Owl House (1990s)

Halle Berry

as Camila Noceda in The Owl House (1990s)

Tobey Maguire

as Matt Tholomule in The Owl House (1990s)

Edward Furlong

as Matt Tholomule in The Owl House (1990s)

Sandra Bullock

as Camila Noceda in The Owl House (1990s)

Alexander Godunov

as Lev Andropov in Armageddon (1988)

Andreas Wisniewski

as Lev Andropov in Armageddon (1988)

Mr. T

as Bear in Armageddon (1988)

Harold Faltermeyer

as Composer in Armageddon (1988)

Shirley Walker

as Composer in Armageddon (1988)

Dennis McCarthy

as Composer in Armageddon (1988)

Hans Zimmer

as Composer in Armageddon (1988)

Eddie Van Halen

as Composer in Armageddon (1988)

James Horner

as Composer in Armageddon (1988)