Suggestions by @jackspinella1

Henry Braham

as Cinematographer in The Boys

Garth Ennis

as Producer in The Boys

John Murphy

as Composer in The Boys

James Gunn

as Writer in The Boys

James Gunn

as Director in The Boys

Kenan Thompson

as The Deep in The Boys

Nathan Fillion

as James Stillwell in The Boys

Flula Borg

as Lamplighter in The Boys

Wentworth Miller

as The Frenchman in The Boys

Damon Wayans Jr.

as Mother's Milk in The Boys

Andy Lister

as Black Noir in The Boys

Sophia Anne Caruso

as Annie January in The Boys

Mackenzie Crook

as Jack from Jupiter in The Boys

Freddie Stroma

as A-Train in The Boys

Jennifer Holland

as Queen Maeve in The Boys

Wyatt Russell

as The Homelander in The Boys

Idris Elba

as Billy Butcher in The Boys

Charlie Heaton

as Hughie "Wee" Campbell in The Boys

Gabriella Pizzolo

as Madelyn Dinkley in Mystery Inc.

Spoiler

as The Tape-Face Killer in Mystery Inc.