▁Roger , ▁M imi , ▁Company ▁ ▁R oles ▁ ▁Main ▁characters ▁▁ ▁Mark ▁C ohen : ▁A ▁struggling ▁Jewish - American ▁document ary ▁film maker ▁and ▁the ▁narr ator ▁of ▁the ▁show . ▁He ▁is ▁Roger ' s ▁ro omm ate ; ▁at ▁the ▁start ▁of ▁the ▁show , ▁he ▁has ▁recently ▁been ▁dump ed ▁by ▁Ma ure en . ▁ ▁Roger ▁Davis : ▁A ▁once - success ful - but - now - stru gg ling ▁music ian ▁and ▁ex - le ad ▁singer ▁and ▁rock ▁guitar ist ▁who ▁is ▁H IV - pos itive ▁and ▁an ▁ex - j unk ie . ▁He ▁hopes ▁to ▁write ▁one ▁last ▁meaning ful ▁song ▁before ▁he ▁dies . ▁ ▁He ▁is ▁having ▁a ▁hard ▁time ▁cop ing ▁with ▁the ▁fact ▁that ▁he , ▁along ▁with ▁many ▁others ▁around ▁him , ▁knows ▁that ▁he ▁is ▁going ▁to ▁die . ▁His ▁girl friend , ▁April , ▁killed ▁herself ▁after ▁finding ▁out ▁that ▁she ▁was ▁H IV - pos itive . ▁He ▁is ▁ro omm ates ▁with ▁Mark . ▁ ▁M imi ▁M ár quez : ▁A ▁His pan ic - American ▁S & M ▁club ▁dan cer ▁and ▁drug ▁add ict . ▁She ▁lives ▁down st airs ▁from ▁Mark ▁and ▁Roger , ▁is ▁Roger ' s ▁love ▁interest , ▁and , ▁like ▁him , ▁is ▁H IV - pos itive . ▁She ▁is ▁also ▁Ben ny ' s ▁ex - lo ver . ▁ ▁Tom ▁Collins ▁: ▁An ▁an arch ist ▁professor ▁with ▁A ID